Friday
June 24, 2016

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

Geometry
Which answer is not a theorem or postulate used to prove triangles similarity? SAS SSA ~~my choice SSS AA
Tuesday, March 15, 2016 by Jessica

Geometry
Two model trains begin at the toy train station and travel continuously on two circular tracks of equal length. The first train completes a circuit in 20 seconds and the second train in 15 seconds. If both trains leave the station at the same time, after how many seconds will ...
Monday, March 14, 2016 by Ashley

Math (geometry)
Earth's diameter at the equator is about 7926 miles. A jet flies 550 miles per hour. How long would it take the jet to fly halfway around the equator?
Monday, March 14, 2016 by Skylar(7th grade)

Geometry
Please explain how I am supposed to get this I really don't understand, but I think that I know the answer. Thanks! 1. A conveyor belt carries supplies from the first floor to the second floor which is 12 feet higher. The belt makes a 60 degree angle with the ground. How ...
Monday, March 14, 2016 by Blair

Geometry
Two model trains begin at the toy train station and travel continuously on two circular tracks of equal length. The first train completes a circuit in 20 seconds and the second train in 15 seconds. If both trains, leave the station at the same time, after how many seconds will...
Monday, March 14, 2016 by Ashley

Geometry
Triangle ABC and <1 congruent <2 Prove: AD/AB = De/BC
Monday, March 14, 2016 by Susanne

geometry
Points $F$, $E$, and $D$ are on the sides $\overline{AB}$, $\overline{AC}$, and $\overline{BC}$, respectively, of right $\triangle ABC$ such that $AFDE$ is a square. If $AB = 12$ and $AC = 8$, then what is $AF$?
Sunday, March 13, 2016 by nikita

Geometry
How would I find the ratio of the lengths of corresponding sides in two similar triangles?
Saturday, March 12, 2016 by Kyle

Geometry
3.In step 1, you found the volume (in cubic feet) of the main tank. If the maximum density of killer whales per cubic foot is 0.000011142, what is the maximum number of killer whales allowed in the main show tank at any given time? You must explain your answer using words, and...
Saturday, March 12, 2016 by Jessie

Maths-Geometry(Loci)
A port has two radar stations at P and Q which are 20 km apart.The radar at P is set to a range of 20 km,whilst the radar at Q is set to a range of 15 km. a)draw a scale diagram to show the above information b)Shade the region in which a ship must be sailing if it is only ...
Friday, March 11, 2016 by Ragi

math/geometry PLEASE HELP ME!
Find the measure of the complement and the supplement of an angle with measure 50 degrees A. complement, 130 degrees; supplement, 40 degrees B. complement, 40 degrees; supplement, 40 degrees <my answer C. complement, 140 degrees; supplement, 230 degrees D. complement, 230 ...
Friday, March 11, 2016 by keykat

Geometry(so lost)
Given ∆ABC≅∆PQR,m (angle)B=3v+4,and m(angle)Q=8v-6,find m(angle)B and m(angle)Q (quick question: what would be the symbol for "angle" on here?) How do I solve this???? STEP-BY-STEP would be amazing! Thank you.
Friday, March 11, 2016 by Mirabella♥

Geometry
A triangular pyramid is defined by the points .The pyramid is then reflected over the xz-plane. The reflected image is then translated 3 units back, 2 units left, and 4 units up. Write the general rule you use for the reflection. Show the results of your calculations for the ...
Friday, March 11, 2016 by Jessica

math / geometry
connections academy, trigonometry practice unit for lesson three answers
Thursday, March 10, 2016 by SarMerr

geometry
if the isosceles trapezoid is dilatede with a factor 0.5,what is the area of dialation in square yards?
Thursday, March 10, 2016 by ali

Geometry
In triangle ABC,if m∠A is thirteen less than m∠C and m∠B is eleven less than four times m∠C, find the measurement of each angle. A+B+C= 180 A= 13-C B= 4C-11
Thursday, March 10, 2016 by Blanca

Geometry
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?
Thursday, March 10, 2016 by Sue

Geometry
Area of a rhombus is 72 ft. and the product of the diagonals is 144 ft. What is the length of each diagonal?
Thursday, March 10, 2016 by Sue

geometry
A man who is 6 feet tall is standing under a streetlight and casts a shadow on the sidewalk the man is standing 15 feet away from the 20-foot streetlight. How long is his shadow ,s ?
Thursday, March 10, 2016 by angelica

Geometry
Which is the formula for the surface area of a sphere with radius r? S=4πr2 S=2/3πr3 S=4/3πr3 S=2πr2 ~~My choice
Thursday, March 10, 2016 by Jessica

Geometry
What is the area of a rhombus with a 45 degree angle and sides of 10ft.?
Wednesday, March 9, 2016 by Anonymous

Analytical Geometry
1) How do you create a fractal? 2) How are midpoints,lengths,equations for circles used to generate the fractal (pattern in pinecone). 3) What are some special features of this fractal (pattern in pinecone)? Describe a specific application of fractals, such as a scientific ...
Wednesday, March 9, 2016 by Math

Geometry
Write an equation in slope-intercept form of the line through point P(6, –1) with slope 4. A. y = 4x – 25 B. y + 6 = 4(x – 1) C. y + 1 = 4(x – 6) D. y = 4x – 1 How would I do this?
Wednesday, March 9, 2016 by Maya^.^

Geometry
Dana is planning to ride her bicycle around the circular race track and wants to know the distance. If the diameter of the track is 2 mile, how far is the distance around the race track? 3.14(2) = 6.28 miles
Tuesday, March 8, 2016 by Sue

MATH, GEOMETRY
abcd is trapezium bc is 17 ab is 16 dc is 8 find area of abcd
Tuesday, March 8, 2016 by JAI

Calculus with Analytical Geometry 1
Jack Brown received two offers for his property: 1. 130000 in 5 months. 2. $13500 every months for the next 10 months. Find the present value of the two offers if theory is worth 12% compounded monthly.
Monday, March 7, 2016 by Keon

analytic geometry
16. A cable of a suspension bridge hangs in the form of a parabola, the Supporting towers of the cable being 300 meters apart. over the supporting towers at a height of 60 meters above the roadwayand the lowest point of the cable is 5 meters above the roadway. Find the lengths...
Monday, March 7, 2016 by exequiel

Geometry
2. If m 1= 53 what is m<4. 53 43 *** 37 27 3. If m 1= 55 what is m<5 55 40 *** 35 25 Please check my answers.
Monday, March 7, 2016 by Anonymous

Geometry
2. If m 1= 53 what is m<4. 53 43 37 27 3. If m 1= 55 what is m<5 55 40 35 25
Monday, March 7, 2016 by Anonymous

Geometry(stumped)
Complete the two-column proof. Given: x/5 + 9 = 11 Prove: x = 10 x/5 + 9 = 11 a.__________ x/5 = 2 b.__________ x = 10 c.__________ A) a. Given b. Subtraction Property of Equality c. Division Property of Equality B) a. Given b. Subtraction Property of Equality c. ...
Monday, March 7, 2016 by Maya^.^

geometry
an inscribed angle with a diameter as a side has a measure of x degrees. if the ratio of measure of arc AD to measure of arc DB is 1:4, what is the measure of arc DB?
Monday, March 7, 2016 by katie

Geometry
Complete the two-column proof. Given: x/5 + 9 = 11 Prove: x = 10 x/5 + 9 = 11 a.__________ x/5 = 2 b.__________ x = 10 c.__________ A) a. Given b. Subtraction Property of Equality c. Division Property of Equality B) a. Given b. Subtraction Property of Equality c. ...
Monday, March 7, 2016 by Maya^.^

analytic geometry
16. A cable of a suspension bridge hangs in the form of a parabola, the Supporting towers of the cable being 300 meters apart. over the supporting towers at a height of 60 meters above the roadwayand the lowest point of the cable is 5 meters above the roadway. Find the lengths...
Monday, March 7, 2016 by exequiel

Geometry
A swimming pool is a rectangular prism. Estimate the volume of water in the pool in gallons when it is completely full (Hint: 1 gallon = 0.134 ft^3 ((feet cubed)) ). The density of water is about 8.33 pounds per gallon. Estimate the weight of the water in pounds.
Sunday, March 6, 2016 by Bree

geometry/algebra
The algebraic expression of a dilation is (x, y) changes to (1/a x, 1/a y). If the dilation is an enlargement, give three possible values of a. Anything over 1 for the denominator would make the x and y values smaller. So what would the possible values be for a?
Sunday, March 6, 2016 by Julia

Geometry
I have a rectangle MNOP ~ rectangle STUV. What is the length of line TU?? First rectangle is MNOP with 10 on top and 4 on the side. Second rectangle is STUV. With the top marked X for the unknown number and n the side is 6. I need help solving this. Do you guys think you can ...
Saturday, March 5, 2016 by R

Calculus with Analytical Geometry
1. A bullet is shot upwards with an initial velocity of 1000 ft/sec from a point 20 ft above groand its height above the ground at time t is given by h(t)=-16t^2 + 1000t + 20. How high will the bullet go and how long will it take the bullet to reach the highest point? 2. A ...
Friday, March 4, 2016 by Sherianna

Geometry
At a carnival, you spin a spinner that has four equal-sized sections, each a different color: green, yellow, red, and blue. If you land on green, you win 2 points. If you land on yellow, red, or blue, you lose 1 point. Write the expected value equation.
Friday, March 4, 2016 by Jhabrea

Geometry B: Unit 3: Similarity Lesson5 Practice
If you have done this please help me with just the practice question I have already done the quiz I just need help with the practice problems because they are in more detail.
Friday, March 4, 2016 by Blair

Geometry
A cow is tethered by a piece of rope 50 meters long to the side of a rectangular barn. The rope is fastened to a hook (on the barn) that is located 20 meters from the corner along the longest side of the barn which measures 70 meters by 20 meters. Over how much ground (outside...
Friday, March 4, 2016 by Syd

Geometry
Determine the relationship between the diagonals PR and QoS of rhombus PQRS with P(-3,-2),Q(-1,2), R(3,2), s(1,-1)
Thursday, March 3, 2016 by Mace

7th Grade Math
Hi, I really need help with this question because 1. I suck at geometry and 2. I'm lost but I think this is the answer. Find the volume of a triangular prism with the following dimensions. Round to the nearest whole number. triangle base: 9 ft. triangle height: 4 ft. prism...
Wednesday, March 2, 2016 by MusicLover14

geometry
How do i find 3.14 in a circle of 23yd?
Wednesday, March 2, 2016 by Zoen Bash

Geometry
In the diagram to the left, ÚABC\angle ABCÚABCangle, A, B, C and ÚDCB\angle DCBÚDCBangle, D, C, B are right angles. Which of the following is closest to the length of DE‾\overline{DE} ​DE ​ ​​...
Tuesday, March 1, 2016 by Tyteana

Geometry
Triangle $ABC$ is isosceles with point $A$ at the point $(2, 7)$, with point $B$ at $(-2, 0)$ and with point $C$ at $(3, -1).$ Triangle $ABC$ is reflected over $\overline{BC}$ to form $\triangle A'BC$. Triangle $A'BC$ is reflected over $\overline{A'C}$ to form $\...
Monday, February 29, 2016 by Praphul

Geometry
A Ladder leans against a 15 foot tall building to form a right angle. The ladder is placed so it is 8 feet from the base of the building. What is the length of the ladder?
Monday, February 29, 2016 by Marquise

Geometry
Krista was vacationing in the jungle and wanted to ride a zip line. The platform was 173ft above the ground. The angle of elevation of the zip line was 40 degrees from the ground. Approx. How long was her ride down the zip line?
Monday, February 29, 2016 by Naomi

geometry
. In , AD and BE are the altitudes to BC and AC respectively. If AD = 8 cm, BC = 10 cm and AC = 12 cm, find the length of BE.
Monday, February 29, 2016 by HANNAH

geometry
A painter sets a ladder up to reach the bottom of a second-story window 16 feet above the ground. The base of the ladder is 12 feet from the house. While the painter mixes the paint, a neighbor's dog bumps the ladder, which moves the base 2 feet farther away from the house...
Sunday, February 28, 2016 by katie

Geometry
If theta is an acute angle of a right triangle and cos theta equals 3/8, what is the value of csc theta?
Sunday, February 28, 2016 by Tyler

Geometry/Algebra
The segments formed by the altitude to the hypotenuse of a right triangle are 8 and 10. Find the shorter leg of that triangle. Help please! I am confused on which formula to use or if I should use the Pythagorean Theorem.
Sunday, February 28, 2016 by Misaki

geometry
Two overlapping identical circles have radii of 6.17. The area of their overlapping sections is 42.7. How far apart are the centers of the circles? Answer is 6.55
Sunday, February 28, 2016 by jojo

geometry
Two persons each hold the end of a 20 ft long jumping rope. How far apart should they stand if they hold the rope 4.5 ft off the ground, and the middle of the rope just touches the ground? Assume the arc formed by the jumping rope is circular. I know that this problem involves...
Saturday, February 27, 2016 by jojo

Geometry
Two secants of a circle meet in a point out side to the circle. One Secant has 4 and x. The other Secant is 5 and 4. What will be x?
Saturday, February 27, 2016 by Boberto

Geometry
The endpoints of AB are A(2, 3) and B(8, 1). The perpendicular bisector of AB is CD , and point C lies on AB. The length of CD is √10 units. The coordinates of point C are_____ . The slope of CD is _____ . The possible coordinates of point D are_____ and_____ .
Friday, February 26, 2016 by Nathan

Geometry
1. The perimeter of an isosceles triangle is 50cm and the length of the altitude to the base is 5cm. Find the length of the base. 2. In quadrilateral QRST: TQ=8cm; (angle)R=60; (angle)T=90; QR=RS; ST=8cm. Find the exact length of the longer diagonal of the quadrilateral.
Friday, February 26, 2016 by Anonymous

co-ordinate geometry maths
find area of triangle abc & triangle def if D E F are mid points of AB BC &CA D(2,1) E(1,0) F(_1,3)
Thursday, February 25, 2016 by anila

Math
As part of a geometry assignment, John drew an equilateral triangle. Which of the following dimensions could represent the side lengths of the triangle John drew? A. 10, 11, 12 B. 13, 15, 17 C. 16, 18, 21 D. 17, 17, 17 **
Thursday, February 25, 2016 by Anabel

Geometry
Where can the medians of a triangle intersect? I. inside the triangle II. on the triangle III. outside the triangle A. I only B. III only C. I or III only D. I, II, or II
Thursday, February 25, 2016 by Anonymous

Geometry
What does the radius of a sphere join? any two points on the sphere and does not contain the center any two points on the sphere and contains the center <~my choice any two points on the sphere the center and a point on the sphere
Thursday, February 25, 2016 by Jessica

Geometry
Find the area of each rectangle wit the given base and height... A=lw 1) 4ft, 4in 2) 30in, 4yd 3) 2ft 3in, 6in 4) 40cm, 2m
Thursday, February 25, 2016 by Charlie

geometry
A 25 meter ladder is leaned against a tall building. If the ladder makes a 30 degree angle with the ground, how high up on the building (in meters) does the ladder fall?
Wednesday, February 24, 2016 by Courtney

Geometry
WHICH STATEMENT IS TRUE? a) a right angle has a complement b)and obtuse angle has a complement c)the supplement of a right angle is a right angle d) every angle has a supplement****
Wednesday, February 24, 2016 by Charlie

Geometry
Solve 10a - 5b = 25 for b. f) b = 10a + 25 g) b = 10a - 25 h) b = 2a +5 i) b = 2a - 5 What exactly are they asking me to do here? Can I get at least one with a step by step, then I'll do the others? And, then you can check my answers. Thanks :)
Wednesday, February 24, 2016 by Nirvana ♥

Geometry
Solve 10a - 5b = 25 for b. f) b = 10a + 25 g) b = 10a - 25 h) b = 2a +5 i) b = 2a - 5 What exactly are they asking me to do here? Can I get at least one with a step by step, then I'll do the others? And, then you can check my answers. Thanks :)
Wednesday, February 24, 2016 by Nirvana ♥

Geometry
The diagonals of rectangle ABCD intersect at point E. If AE=2x+5, and BD=5x+2, what is AC?
Wednesday, February 24, 2016 by Alan

Geometry (Law of Cosine or Sine)
two cars start moving from the same location but in different ways, then angle between them is 125. The first car moves 60 mph and the second car moves 75 mph how far apart are they after 2 hours and 45 mins?
Wednesday, February 24, 2016 by Suzy

Geometry (check)
solve each equation: 1) x + 2x - 6 + 6 MY ANSWER: x-x + 2x-x +12 _______________ x=12 2) 3x + 9 + 5x =81 MY ANSWER: 3x-3x + 9x + 5x-3x = 81 9 + 2x = 81 9-9 + 2x = 81-9 2x = 72 2x/2 = 72/2 x=36 3) x - 2 = -4 + 7w I need help with this one
Wednesday, February 24, 2016 by Hazel

Geometry (check)
solve each equation: 1) x + 2x - 6 + 6 MY ANSWER: x-x + 2x-x +12 _______________ x=12 2) 3x + 9 + 5x =81 MY ANSWER: 3x-3x + 9x + 5x-3x = 81 9 + 2x = 81 9-9 + 2x = 81-9 2x = 72 2x/2 = 72/2 x=36 3) x - 2 = -4 + 7w I need help with this one
Wednesday, February 24, 2016 by Hazel

Geometry
What does the diameter of a sphere join? any two points on the sphere any two points on the sphere and contains the center <~my choice any two points on the sphere and does not contain the center the center and a point on the sphere
Wednesday, February 24, 2016 by Jessica

Geometry
n^2 + n ________ 4n simplify the ration. Can u show me step by step, please? Thanks.
Wednesday, February 24, 2016 by Hazel

geometry
What is the point called in an equilateral triangle where the angle bisector, perpendicular bisector, height, median meet (they all meet in the same spot)
Wednesday, February 24, 2016 by theatrefangirl

Geometry
ted skated through one of the face off circles at a hockey rink. His path through the circle is shown in the figure. Given that the face off circle is 15 feet in diameter what distance within the face off circle did Ted travel?? If you google this there will be documents so ...
Tuesday, February 23, 2016 by Anonymous

Geometry
An observer (O) is located 660 feet from a tree (T). The observer notices a hawk (H) flying at a 35° angle of elevation from his line of sight. How high is the hawk flying over the tree? tan 35= h/660 0.70020753821= h/660 0.70020753821 * 660= h 462.1369752186= h h= 462.14 ...
Tuesday, February 23, 2016 by Jessie

Geometry
Given a cube with a volume of 18 cm3, what is the volume of a square pyramid that can fit perfectly inside the cube? this would be 6cm^3, right? since 3√18 is 6?
Tuesday, February 23, 2016 by Jessie

Geometry
Given a soda can with a volume of 21 and a diameter of 6, what is the volume of a cone that fits perfectly inside the soda can? (Hint: only enter numerals in the answer blank). 7 because volume of a cylinder is pi r^2 h, and a cone is 1/3 pi r^2 h, which is basically 21 ...
Tuesday, February 23, 2016 by Jessie

Math
Is there a way to send pictures on this website so I can have help with Geometry?
Tuesday, February 23, 2016 by Anonymous

Geometry
Name the angle that is supplementary to <COD a.<COA B.<BOC C.<COB D.<BOA Classify the triangle with angles with the measures 33,90, and 57 as acute, right, or obtuse a.Acute b.Right c.Obtuse Sandra is making the shape of a rhombus the first three angles are 75, ...
Tuesday, February 23, 2016 by Sid.V

Geometry
How do I find the interior angles of an irregular polygon WITH one external angle? I have an image as an example, but Jiskha won't allow internet addresses. What do I do?
Monday, February 22, 2016 by anonymous

Geometry
A brick has a length of 22 cm and a width of 17 cm. If the volume of the brick is 3,740 cm3, then find the height of the brick
Monday, February 22, 2016 by Gabs

geometry
A hemisphere tank is filled with water and has a diameter of ten feet. If the water weighs 62.4 pounds per cubic foot, what is the total weight of water in a full tank?
Sunday, February 21, 2016 by jim

geometry
12 foot board is leaning against a wall and makes a 77 degree angle with ground. How high does the board reach on the wall? I used Sin 77x 12 and got 11.692 but questions is round this to the nearest tenth of a foot.... Is it 11.7 feet? Thank you.
Sunday, February 21, 2016 by sweet pea

geometry
One leg of an isosceles right triangle measures 5 inches. Rounded to the nearest tenth, what is the approximate length of the hypotenuse?
Friday, February 19, 2016 by Melissa

Math-Geometry
"No rush this is study material" The intersection of roads P and Q creates a 71* angle. What are the complementary and supplementary angles of his inter section? A-The complementary angle is 71* and the supplementary angle is 29* B-The complementary angle is 29* and ...
Friday, February 19, 2016 by Fieroh

Geometry
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes, because the diagonals of...
Thursday, February 18, 2016 by Sue

Geometry
A trapezoid may have three congruent sides. True or False I think true
Thursday, February 18, 2016 by Sue

Geometry
Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. 4. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. 5. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes, because the ...
Thursday, February 18, 2016 by Sue

geometry
find the positive difference between to consecutive even integers such that 14 times the first is equal to 12 times the second
Wednesday, February 17, 2016 by max

Geometry
In the surface area formula for cylinders, which expression represents the lateral area? πrh 2πrh <~my chocie πr*2 2πr*2
Wednesday, February 17, 2016 by Jessica

geometry
Theres a right triangle. its hypotenuse is 30. There is a line in the triangle making a smaller one. this breaks the hypotenuse to 24 and 6. I need to find the length of the other sides If i can figure out how to post a picture i will.
Wednesday, February 17, 2016 by Ineedhelpplease

geometry
Triangle DEF contains two congruent acute angles. The sum of the measures of the two congruent acute angles is greater than 90 degrees. Anna concludes that the triangle must be an acute triangle. Which best describes her conclusion?
Tuesday, February 16, 2016 by martha

Math HELPP!!!!
as a part of a geometry assignment john drew an equilateral triangle. which of the following dimensions could reprent the side length of the triangle john drew? 10,11,12 13,15,17 16,18,21 17,17,17•• Correct me!!
Tuesday, February 16, 2016 by Jojo

geometry
Constuct a triangle ABC ,given that angleA is 70 degree & angle C is 35 degree and length of perpendicular from A on BC is 5cm .meausre BC
Tuesday, February 16, 2016 by lucky

Quick calc question
Use geometry to evaluate the integral from 0 to 10 of the function f of x, dx for f of x equals 5 for x less than or equal to 5 and equals the quantity 10 minus x for x greater than 5 . 12.5 25 37.5 Cannot be found
Tuesday, February 16, 2016 by Mel

geometry please help!
1:Which of the following equations represent nonlinear functions? y=5-2/3x y=5x^2+7 y=1.5x-0.25 y=3 y=10/x+20
Tuesday, February 16, 2016 by reality check

geometry please help!
what would the graph of y=x^2+1 look like? A: a straight line B: a parabola C: a dotted line D: none of the above I think b plz help!
Tuesday, February 16, 2016 by reality check

geometry
Given that, m less than A B C equals 80 degree . Find straight m angle ADC
Monday, February 15, 2016 by Anonymous

Geometry / Math
Hi guys I need help ASAP, I have tried every thing I know about math and I cant figure any of them out. Thank you... _________________________________ 1. Use a formula to find the surface area of the square pyramid. (H.6ft.)(W.3ft.)(L.3ft.) A. 45 ft B. 81 ft*** C. 36 ft D. 72 ...
Monday, February 15, 2016 by Please Help

Geometry 1
Ship A and Ship B leave from the same point in the ocean. Ship A travels 150 mi due west, turns 65° toward north, and then travels another 100 mi. Ship B travels 150 mi due east, turns 70° toward south, and then travels another 100 mi. Which ship is farther from the ...
Sunday, February 14, 2016 by Anonymous

Geometry
The top of a valentine candy box is in the shape of an equilateral triangle if the altitude of the triangle is 8cm what is the perimeter of the triangle
Saturday, February 13, 2016 by Anonymous

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Homework Help: Math