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December 20, 2014

Homework Help: Math: Geometry

Recent Homework Questions About Geometry

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geometry
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?
Wednesday, May 8, 2013 at 3:20pm

geometry!!! please help me!!!!
Determine the least positive integer n for which the following condition holds: No matter how the elements of the set of the first n positive integers, i.e. {1,2,…n}, are colored in red or blue, there are (not necessarily distinct) integers x,y,z, and w in a set of the ...
Wednesday, May 8, 2013 at 6:51am

geometry
How to get answer for c=2 pie r 4 yards
Tuesday, May 7, 2013 at 11:15pm

geometry
find acute angie A and B satisfying cot(A+B)=1 , cosec(A-B)
Tuesday, May 7, 2013 at 1:03pm

geometry!!! please help me!!!!
ABC is a triangle with ∠ACB=45∘. D is a point on AC such that AD=2DC. If ∠ADB=60∘, what is the measure (in degrees) of ∠CAB?
Tuesday, May 7, 2013 at 12:22pm

geometry!!!! PLEASE HELP!!!!
A,B,C,D,E,F are 6 consecutive points on the circumference of a circle such that AB=BC=CD=10,DE=EF=FA=22. If the radius of the circle is √n, what is the value of n? Details and assumptions: -The lengths given are side lengths, not arcs.
Tuesday, May 7, 2013 at 12:15pm

geometry
find acute angles A and B satisfying cot(A+B)=1 , cosec(A-B)=2
Tuesday, May 7, 2013 at 7:18am

geometry
Γ is a circle with radius 10 and center O. A and B are points on Γ such that the arc length ABˆ=13. What is the area of sector AOB?
Tuesday, May 7, 2013 at 4:41am

Geometry
One right circular cone is set inside a larger circular cone. The cones share the same Axis, the same vertex, and the same height. Find the volume of the space between the cones of the diameter of the inside cone is 6in., the diameter of the outside cone is 9in and the height ...
Monday, May 6, 2013 at 1:03pm

Geometry
Two points are chosen uniformly at random on the unit circle and joined to make a chord C1. This process is repeated 17 more times to get chords C2,C3,…,C18. What is the expected number of pairs of chords that intersect?
Sunday, May 5, 2013 at 11:32pm

Geometry
ABCDEF is a regular hexagon with side length 43√4. Points G,H,I,J,K,L are chosen uniformly at random, one from each side of the hexagon. What is the expected area of hexagon GHIJKL?
Sunday, May 5, 2013 at 11:30pm

geometry
What are degrees of angles for pentagon with 36 sides
Sunday, May 5, 2013 at 11:01pm

geometry
The construction of the regular pentagon is equivalent to the construction of the point in the unit circle with x coordinate x1 = the square root of 5 - 1 divided by 4. Use this to construct a regular pentagon that has all its vertices inside the unit circle. Write a ...
Sunday, May 5, 2013 at 7:27pm

Analytic Geometry
What is the equation of the circle touching the lines x-3y-11=0 and 3x-y-9=0 having its center on the line x+2y+19=0 .
Sunday, May 5, 2013 at 5:53am

geometry
The longer diagonal of a parallelogram measures 62 cm and makes an angle of 30 degrees with the base. Find the area of the parallelogram if the diagonals intersect at angle of 70 degrees.
Sunday, May 5, 2013 at 3:30am

geometry
Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a 90 degree triangle and one side is 3 cm
Saturday, May 4, 2013 at 10:01pm

geometry
How much more pizza is in a 12-in. diameter pizza than an 8-in. diameter pizza? Round your answer to the nearest hundredth. Be sure to show all work and label your answer. TWO points for the work...TWO points for the corrrect answer
Saturday, May 4, 2013 at 7:35pm

geometry
You and your friend ordered a 12 cut pizza with a radius of 8 inches. How much cheese is needed to cover one slice of the pizza? Hint: Find the area of one slice. Round your answer to the nearest tenth
Saturday, May 4, 2013 at 7:33pm

Geometry
Parallelogram ABCD has ÚABC=x ∘ and ÚBCD=2x ∘ +111 ∘ . What is the value of x ?
Saturday, May 4, 2013 at 3:24pm

geometry
What did Mrs. margarine think about her sisters husbund
Thursday, May 2, 2013 at 9:51pm

geometry
Jorge put colored cards into a bag. Two of the cards were green, three were red, one was orange, two were blue, and two were purple. Jorge wants to find the probability that he will pull an orange card from the bag. What step does Jorge take to determine the number of possible...
Thursday, May 2, 2013 at 6:43pm

geometry
if ab = 8 sc = 6 ec = 12 what is value of dc? it follows the (ac)(bc) =(ec) (dc) theorem tangents secants... thank you...do you have to factor?
Thursday, May 2, 2013 at 11:58am

geometry!!!! PLEASE HELP!!!!
Outside of circle Γ, point A is chosen. Tangents AB and AC to Γ are drawn, with B,C on the circumference of Γ. On the extension of AB, D is a point such that B is between A and D, and ∠ADC=25∘. The circumcircle of ADC intersects Γ again at E (...
Thursday, May 2, 2013 at 8:46am

Geometry
a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.
Wednesday, May 1, 2013 at 11:51pm

Geometry
a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.
Wednesday, May 1, 2013 at 11:51pm

Geometry
a belt is wrapped tightly around circle O and forms a right angle at P, outside the circle. find the length of the belt if circle O has a radius of 8.
Wednesday, May 1, 2013 at 11:50pm

Geometry
A landowner digs a 15 meter deep well with a diameter of 2.8 meters. The landowner spreads the dirt dug out of the holds to form a flat platform 31.5 meters by 6 meters. What is the length of the platform?
Wednesday, May 1, 2013 at 9:20pm

Geometry
An unsharpened pencil is in the shape of a hexagonal prism, in which the face edge is 4 millimeters and the length is 170 millimeters. What is the lateral area of the pencil?
Wednesday, May 1, 2013 at 9:17pm

geometry
M is the midpoint of JK, Q is the midpoint of MK, and X is the midpoint of MQ. if a point on JK is picked at random, what is the probability that the point is on MX?
Wednesday, May 1, 2013 at 11:07am

Math (Geometry)
Square ABCD has M as the midpoint of AB, N as the midpoint of BC, P as the midpoint of CD and Q as the midpoint of MP. If the area of AMNPDQ is 20, what is the area of ABCD?
Wednesday, May 1, 2013 at 6:42am

Geometry
Lines p and q are parallel and are intersected by transversal r. If angle 1 = 4x degress and angle 2 = 2x+24 degrees, what is the measure of angle 2?
Tuesday, April 30, 2013 at 8:49pm

Geometry
Find the ratio for the similar figure. If the area ratio is 4:49, what is the volume ratio?
Tuesday, April 30, 2013 at 3:32pm

Geometry
Find the ratio for the similar figure. If the volume ratio is 27:512, what is the side ratio?
Tuesday, April 30, 2013 at 3:31pm

geometry
Prove that if angle DAC is 40 degrees and angle ACD is 35 degrees, then angle BDA is 70 degrees. Write a two column proof showing statements and reasons. My teacher said my answer was wrong because BCA cannot equal 40 degrees because lines DA and C are not parallel, but he did...
Tuesday, April 30, 2013 at 11:05am

Analytic Geometry
What is the equation of a circle passing through (-4,-4) and tangent to the line 2x-3y+9=0 at (-3,1)?
Tuesday, April 30, 2013 at 10:42am

geometry
The medial triangle of a triangle ABC is the triangle whose vertices are located at the midpoints of the sides AB, AC, and BC of triangle ABC. From an arbitrary point O that is not a vertex of triangle ABC, you may take it as a given fact that the location of the centroid of ...
Tuesday, April 30, 2013 at 10:21am

geometry
Outside of circle Γ, point A is chosen. Tangents AB and AC to Γ are drawn, with B,C on the circumference of Γ. On the extension of AB, D is a point such that B is between A and D, and ∠ADC=25∘. The circumcircle of ADC intersects Γ again at E (...
Tuesday, April 30, 2013 at 9:18am

geometry and combinatorics
An equilateral triangle with side length 33 is divided into 33^2 smaller unit equilateral triangles each with side 1, forming a triangular lattice. We color each segment of length 1 either Red, Blue or Green, subject to the condition that each small unit equilateral triangle ...
Tuesday, April 30, 2013 at 2:43am

geometry!!!!
Let A be a subset of T={1,2,…,100} subject to the condition that if 2 distinct elements a and b are in A, then a+b is not in A. What is the maximum value of |A|, which is the number of elements in A?
Tuesday, April 30, 2013 at 2:40am

Math (Geometry)
ABCD is a rectangle with AC=20 and AB=2BC. What is the area of rectangle ABCD?
Tuesday, April 30, 2013 at 1:25am

geometry!!!!
Let A be a subset of T={1,2,…,100} subject to the condition that if 2 distinct elements a and b are in A, then a+b is not in A. What is the maximum value of |A|, which is the number of elements in A?
Monday, April 29, 2013 at 12:04pm

geometry!!!! PLEASE HELP!!!!
A point P is uniformly chosen inside a regular hexagon of side length 3. For each side of the hexagon a line is drawn from P to the point on that side which is closest to P. The probability that the sum of the lengths of these segments is less than or equal to 9√3 can be...
Monday, April 29, 2013 at 12:02pm

Math (Geometry-Vectors)
Let θ be the angle between two vectors v and u . If v*u =12, |v|=2, |u|=6√2 and 0∘<θ<180∘, what is the value of θ (in degrees)?
Monday, April 29, 2013 at 11:30am

Math (Geometry)
Square ABCD has M as the midpoint of AB, N as the midpoint of BC, P as the midpoint of CD and Q as the midpoint of MP. If [AMNPDQ]=20, what is the value of [ABCD]? Details and assumptions [PQRS] refers to the area of figure PQRS.
Monday, April 29, 2013 at 11:28am

Math (Geometry)
In right triangle ABC, we are given that ∠ABC=90∘ and AC=34. D is a point on line segment BC such that BD=12,DC=18. What is the length of AD?
Monday, April 29, 2013 at 11:26am

Geometry
How do u find the lateral area of a 3-sided 1-based triangle with a slant height of 7 and a height of 5?
Sunday, April 28, 2013 at 9:32pm

geometry
WHAT IS ad TO THE NEAREST 10 ON A KITE WHEN THE KITE IS22,7, AND 12
Sunday, April 28, 2013 at 3:53pm

geometry
show that minute hand gains five degree thirty minutes on hour hand in one minute
Friday, April 26, 2013 at 7:21am

geometry
you plan to carpet 468ft of space. carpet costs $26.75 per square yard and the tax is 7%. the carpet is sold in 12 ft rolls. what is the cost of the carpet?
Thursday, April 25, 2013 at 8:24pm

geometry
the bore of an engine cyclinder is the diameter of the piston and the stroke is the distance that the piston will travel up the cyclinder wall. The displacement is the volume of space that the piston goes thru. If the piston is 3.97" in dia. and the stroke is 4" what...
Thursday, April 25, 2013 at 5:46am

please help geometry
you need to find the length of a broken automitive belt. the belt ran around 2 pulleys whose centers were 11 in apart. one of the pulleys is 4" dia. and the other is 6" dia. what is the totoal length of the belt needed to connect thr pulleys?
Thursday, April 25, 2013 at 5:40am

geometry
how many 3"x4"x6" boxes will fit in a 2'x3'x8' container?
Thursday, April 25, 2013 at 5:36am

geometry
find the capacityof a cylidrical drinking flask whose radius is 3.42 cm height of 16.33?
Wednesday, April 24, 2013 at 1:07pm

geometry
find the capacityof a cylidrical drinking flask whose radius is 3.42 cm height of 16.33?
Wednesday, April 24, 2013 at 12:47pm

geometry
A 7-inch apple pie sells for $4. What is its cost per square inch (in Sq.?
Wednesday, April 24, 2013 at 12:33pm

geometry!!!! PLEASE HELP!!!!
Two angles of an isosceles triangle are 68∘ and x∘. What is the sum of all the (distinct) possible values of x?
Wednesday, April 24, 2013 at 9:51am

geometry
Blake draws a diagonal to cut a trapezoid. He says he is left with two triangles. Is Blake correct?
Tuesday, April 23, 2013 at 3:48pm

geometry
Tamika draws a line that would cut a 8. square in half. She says she makes 2 smaller squares. Is Tamika Correct?
Tuesday, April 23, 2013 at 3:46pm

geometry
What shape will you always get when you combine a square pattern block and a triangle pattern block?
Monday, April 22, 2013 at 6:00pm

geometry
What shape will you always get when you combine a trapezoid pattern block and a triangle pattern block?
Monday, April 22, 2013 at 6:00pm

geometry
which pattern blocks can be combined to make the shape rhombus?
Monday, April 22, 2013 at 5:05pm

chemistry
Using the PM3 semiempirical method in HyperChem, treat planar napthalene. First build the molecule, choose SemiEmpirical methods and PM3, and perform a Geometry Optimization. Look in the "Compute>Orbitals" menu to determine the energies of the HOMO and LUMO. What ...
Monday, April 22, 2013 at 2:55am

geometry
AB has a length of 5 cm the line segment is dilated to produce A'B' which has a length of 2 cm what is the scale factor of the dilation
Sunday, April 21, 2013 at 6:40pm

COOP Exam?? (practice)
Is there any online COOP exam I can practice to pass that COOP exam I'm taking (I'm applying to catholic high school. It's a private school). This what it will be on the exam: Test 1 Sequences This test measures the student’s ability to comprehend a rule or ...
Saturday, April 20, 2013 at 5:52pm

geometry
Find the weight to the nearest kg, of the cement block. Cement weighs 1700 kg/m3. 12cm x 10cm and 40cm x 20 cm x 20cm.
Saturday, April 20, 2013 at 4:47pm

Geometry
A circle of radius 1 is drawn in the plane. Four non-overlapping circles each of radius 1, are drawn (externally) tangential to the original circle. An angle ã is chosen uniformly at random in the interval [0,2ð). The probability that a half ray drawn from the ...
Saturday, April 20, 2013 at 4:46pm

Geometry
There are 100 runners, each given a distinct bib labeled 1 to 100. What is the most number of runners that we could arrange in a circle, such that the product of the numbers on the bibs of any 2 neighboring runners, is less than 1000?
Saturday, April 20, 2013 at 4:45pm

geometry
Quadilateral KLMN is enlarged by a factor of p.Find the largest value of p for which the image of KLMN is contained in the circle centered at (0;0) with radius 1
Saturday, April 20, 2013 at 12:54pm

Geometry
One pizza has a diameter twice the diameter of a smaller pizza. what is the rato of the area larger pizza to the area of the smaller pizza?
Friday, April 19, 2013 at 9:21pm

geometry!!!.....Alice's Concession Choices
Alice is at a country fair with 4 concession stands. She cannot decide in which order to visit each concession stand. Assuming she visits each stand once and only once, how many different ways are there to visit all the concession stands
Friday, April 19, 2013 at 3:51am

geometry ( trigonometric ratios)
a girl who is standing 92 ft away from a building looks up at a angle of 86 degrees at a bird on the top of a building. What is the height, from the ground, to the bird on the top of the building ?
Thursday, April 18, 2013 at 11:03pm

Chemistry - molecular polarity
Hi Dr. Bob. Could you please take a look at the question below and my work? I'm not sure how to get the correct answer for this question. I would greatly appreciate your help! How many of the following molecules are polar? BrCl3 CS2 SiF4 SO3 A) 1 B) 2 C) 3 D) 4 E) 0 The ...
Thursday, April 18, 2013 at 3:45pm

geometry...TRIANGLE
ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?
Thursday, April 18, 2013 at 4:18am

GEOMETRY......circle
Circles Γ1 and Γ2 intersect at 2 distinct points A and B. A line l through A intersects Γ1 and Γ2 at points C and D, respectively. Point E is the intersection of the tangent to Γ1 at C and the tangent to Γ2 at D. If ∠CBD=30∘, what is ...
Thursday, April 18, 2013 at 4:13am

geometry
find the value of x .simplify answers that are radicals.
Wednesday, April 17, 2013 at 11:36pm

Geometry
I appreciate any help you can give me. Here is my question: Find the coordinates of the images of A(2,3), and B(-2,3) under the following transformations. Assume that all size transformations are centered at the origin. a. A size transformation with scale factor 2 followed by ...
Wednesday, April 17, 2013 at 8:23pm

geometry
Is this syllogism? 1. In-line skaters live dangerously. 2.if you live dangerously, then you like to dance. 3, If you are an in-line skater, then you like to dance.
Wednesday, April 17, 2013 at 7:13pm

geometry
Is this detachment or syllogism?1. If I get to drive, then i will go to the fashions show? 2.Kristin got to go to the fashin show. 3.Krisitn got to drive
Wednesday, April 17, 2013 at 7:11pm

Geometry math
Ok if I have a rectangle MNOP ~ rectangle STUV. what is the length of TU with a line over TU? First rectangle is MNOP with 10 on one side and 4 on anotherside. Second rectangle is STUV. With one side marked X for unknown #. And one side says # 6. Would x = 10? Or if not can ...
Wednesday, April 17, 2013 at 12:33pm

geometry
find the measure of the smallest angle , angle hfg , if angle ghf=92 degrees and angle hgf = 72 degrees
Wednesday, April 17, 2013 at 1:55am

Please...help me over here.,Sequence and series
Insert three geometry means between 1 and 81. I can't even solve it.
Tuesday, April 16, 2013 at 11:20pm

Geometry Part 2
At a track meet,50 people ran the 100- meter dash.2 people finished in 11 seconds,5 people finished in 12 seconds,8 people finished in 13 seconds,10 people finished in 14 seconds,21 people finished in 15 seconds,2 people finished in 16 seconds,and 2 people finished in 17 ...
Tuesday, April 16, 2013 at 11:22am

Geometry
Circle G with center O is tangential to PA at A . Line PO extended intersects G at B (PO<PB ). C is a point on AB such that PC bisects angle APB .What is the measure (in degrees) of angle PCA ?
Tuesday, April 16, 2013 at 4:26am

geometry
For a cone, if the radius was quadrupled and the slant height was reduced to one sixth of its original size, what would be the formula to find the modified surface area?
Monday, April 15, 2013 at 5:54pm

Geometry
The grade of a road or a railway road bed is the ratio rise/run, usually expressed as a percent. For example, a railway with a grade of 5% rises 5 ft for every 100 ft of horizontal distance. 1. The Johnstown, Pennsylvania, inclined railway was built as a "lifesaver" ...
Monday, April 15, 2013 at 5:23pm

geometry
A cone has a circular base, a perpendicular height equal to 21cm, and a semi-vertical angle of 30degrees. Calculate the slant height of the cone. Find the area of its base.(take pie to be 22/7)
Monday, April 15, 2013 at 2:02pm

Geometry Part 2
Janine made a cylindrical vase in which the sum of the lateral area and area of one base was about 3000 square centimetres.The vase had a height of 50 centimetres .Find the radius of the vase.Explain your method you would use to find the radius .
Monday, April 15, 2013 at 12:17pm

Geometry Part 2
State whether the transformation of a Preimage and Image circles appears to be a rigid motion?Explain
Monday, April 15, 2013 at 10:37am

Geometry Part 2
A forest ranger spots a fire from a 28- foot tower.The angle of depression from the tower to the fire is 11.To the nearest foot,how far is the fire from the base of the tower?Show the steps you use to find the solution.
Monday, April 15, 2013 at 10:34am

Geometry Part 2
A highway makes an angle of 6 with the horizontal.This angle is maintained for a horizontal distance of 5 miles.To the nearest hundredth of a mile, how high does the highway rise in this 5- mile section?Show the steps you use to find the distance.
Monday, April 15, 2013 at 10:03am

Geometry Part 2
A triangle has side lengths 10,15,and 7.Is the triangle acute,obtuse,or right?Explain.
Monday, April 15, 2013 at 9:45am

geometry
ABCD is a quadrilateral with ∠ADC=∠ACD, ∠ACB=∠ABC and CD=7. If triangles ADC and ABC have perimeter 51 and 59, respectively, what is the value of BC?
Monday, April 15, 2013 at 4:19am

geometry
in the diagram below of quadrilateral abcd ac is a diagonal that biscets <bad and <bcd which statment can be used to prove that riangle abc is congruent to triangle adc
Sunday, April 14, 2013 at 4:36pm

geometry
the dimensions of the triangular lateral faces of a pyramid are dilated with a scale factor of 8/3 to create similar triangles. if the perimeter of one triangular face was 57 inches what is the perimeter of each of the dilated triangular faces
Saturday, April 13, 2013 at 4:56pm

geometry
a rectangular patio is 13 feet by 84 feet. In walking from one corner of the patio to the opposite corner, how much distance is saved by cutting diagonally across the patio rather than walking around the outer edge?
Thursday, April 11, 2013 at 7:59pm

Geometry
Arpit is thinking of a 2-digit number where the tens digit is twice the ones digit. How many different numbers can Arpit be thinking of?
Thursday, April 11, 2013 at 7:39pm

Geometry
A set of three distinct positive integers has mean 4 and median 5. What is the largest number in the set?
Thursday, April 11, 2013 at 7:38pm

Geometry
Two players each flip a fair coin. The probability that they get the same result can be expressed as a b where a and b are coprime positive integers. What is the value of a+b ?
Thursday, April 11, 2013 at 7:35pm

Geometry
If two six-sided dice are rolled, the probability that they both show the same number can be expressed as a b where a and b are coprime positive integers. What is the value of a+b ?
Thursday, April 11, 2013 at 7:33pm

Geometry(first one is typo)
Let ƒÆ=sin −1 7/25 . Consider the sequence of values defined by a n =sin(nƒÆ) . They satisfy the recurrence relation a n+2 =k 1 a n+1 +k 0 a n ,n¸N for some (fixed) real numbers k 1 ,k 0 . The sum k 1 +k 0 can be written as p q , where p...
Thursday, April 11, 2013 at 6:56pm

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