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Homework Help: Math: Geometry
Recent Homework Questions About Geometry
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Geometry HELPP
I need a conclusion and reason for the following statements. 1. Angle C is supplementary to angle R Angle D is supplementary to angle R Conclusion: ? Reason: ? 2. XY - 9 = ST - 9 Conclusion: ? Reason: ? 3. Ray CD bisects angle BCR Conclusion: ? Reason: ? 4. Segment AB is congr...
geometry
Write the equation and solve the problem: A high school graduating class is made up of 512 students. There are 70 more girls than boys. How many boys are in the class?
geometry
Is there a shape that does not translate or have translation congruencies.
Geometry
Write an equation for the line containing the given points. (2,3) and (4, -4) How would I do this? I understand that first, you find the slope, but how do you find the y intercept? Thank you. :)
Vector & Geometry
if A= i+j, B= 2i-3j+k and C= 4j-3k find: Ax(BxC) pls help with solution.
geometry
I have tried to figure this out, but I came up with two different answers. THe answers I got were 33(first), then 33. What is the rotational symmetrt of a star-like figure, with 24 points? How did youo get the answer so I can understand?
geometry
What is the relationship between the measure of a central angle of a polygon and the measures of an interior and an exterior angle of the polygon?
geometry
The length of a median of a triangle is 36 units. Describe the location of the centroid on that median using fractions.
Vectors and Geometry
if A=i+j, B=2i-3j+k and C=4j-3k find (i) (AxB)xC & Ax(BxC)
geometry
Two corresponding sides of similar polygons are in the ratio of 8:7. If the area of the smaller figure is 512 square meters, what is the area of the larger figure?
Geometry
I need help on a geometry proof!!!! If Line AB is parallel to Line DC and Line BC is parallel to line AD, prove that angle B is congruent to angle D. The picture is basically a square or parallelogram with line DC on the Top and Line AB on the bottom, and as u can tell A and D...
Vectors and Geometry
if A= i+j, B=2i-3j+k and C=4j-3k find (i) (AxB)xC (ii) Ax(BxC) thanks for your responds.
Geometry
Suppose both pairs of opposite sides of a quadrilateral are parallel. Which angles of the quadrilateral must be supplementary? I do not understand what this question is asking and how I should answer. Please help if you can!
Help on Vectors & Geometry
(a) Given that A= 3i - j + 2k and B=2i + 3j - k find A x B (b) if A= i + j, B= 2i - 3j + k and C= 4j - 3k find (i) (AxB)x C (ii) Ax(BxC)
Geometry & Vectors
find an equation for the plane passing through the points Pi(3,1-2), Pii(-1,2,4) and Piii(2,-1,1)
Vectors & Geometry
Let A= Ai I + A2 J + A3 K and B= Bi I + B2 J + B3 K, prove that A.B = AiBi + A2B2 + A3B3
geometry
The perimeter of a square is 12 in. What is the area of the square?
geometry
How many liters are contained in a cube with each edge 1 m? a. 0.01 b. 10 c. 100 d. 1,000
geometry
If you were buying nuts, would you rather pay $9/kg or $4/500g?
geometry
2m 300mm = ____ cm
Geometry
If a/4=b/7, then a/b=?
Vector & Geometry
Prove that the projection of A on B is equal to A.b
Vector & Geometry
Determine the vector having initial point P(x¡,y¡,z¡) and the terminal point Q(x¡¡,y¡¡,z¡¡) and find its magnitude.
geometry
explain why x, 2x, or 3x cant represent the lengths of a side of a triangle
math
Use indirect proof with geometry What is one way you could determine if a point lies on the perpendicular bisector of a segment?
bookz
could i find a geometry book at the libray?
geometry
suppose the bases of the rectangle and triangle in the building above are doubled to 40ft,but the height of each figure remains the same.How is the force of the wind against the side of the building affected?
geometry
A parallelogram has sides 15cm and 18cm.The height corresponding to a 15cm base is 9cm.Find height corresponding to an 18cm base.
geometry
what is the area of a piece of fabric that has the measurement of (s - 4)
Geometry
Since line EF is parallel to line GH, angle 1 = angle 2. Since line FG is parallet to line HE, angle 3 = angle 4. Give reasons to support your answers.
geometry
“If Mary and Tom are classmates, then they go to the same school.” Which statement below is logically equivalent? If Mary and Tom do not go to the same school, then they are not classmates. If Mary and Tom are not classmates, then they do not go to the same school. I...
Geometry
Will any kite tessellate the plane? why or why not?
Geometry
A polyhedron has 33 edges and 20 faces. How many vertices does it have?
geometry
Name three regular polygons that will tessellate the plane
geometry
Answer the following questions to determine why Euler’s formula continues to hold for the polyhedron formed by cutting corners off of an octahedron, as in Figure 11.35(b): a. For an octahedron V = , ____,F = ____, and E = _____. b. When you slice off one corner of the oct...
geometry
a. Describe the different types of planes of symmetry and axes of symmetry of a regular octahedron. b. How many planes and axes of symmetry does a regular octahedron have? c. Make a sketch and compare the symmetry properties of a regular octahedron and a cube.
geometry
tell if the figure is a star polygon, a polygon, or other, and how many sides it has. {9/3}
geometry
Why does a regular pentagon not tessellate the plane?
geometry
Figures that correspond under a translation, rotation, or reflection are said to be translation congruent, rotation congruent, or reflection congruent. Position two congruent figures on a piece of paper to satisfy each combination of congruences listed. Use tracing paper, mirr...
geometry
Name three regular polygons that will tessellate the plane
geometry
What is the geometrical reason why sewer lids are round?
Geometry
If rectangle ABCD has a larger area than rectangle EFGH, does it follow that ABCD must have a perimeter larger than that of EFGH? Why or why not.
Geometry
Can I get help starting this exercise:- Let triangle ABC be such that AB is not congruent to AC. Let D be the point of intersection of the bisector of angle A and the perpendicular bisector of side BC. Let E, F, and G be the feet of the perpendicular dropped from D to line AB,...
geometry
describe the characteristics that a pyramid must have for it to have an axis of rotational symmetry
geometry
True or false? In every triangle, the centroid, incenter, and circumcenter are collinear.
Geometry
Find the coordinates of the midpoint of the segment whose endpoints are (-4, 6) and (-8, -2).
Math
t noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Note: Draw yoursel...
Geometry
Describe the characteristics that a pyramid must have for it to have an axis of rotational symmetry.
geometry
What is the centroid of a triangle?
geometry
if <def < abc then <def <abc
analytical geometry
question what is the slope of the line 3x+2y=6 Answers: A.-1 1 over 2 B.-2 over 3 C.2 over 3 D.1 1 over 2
geometry
how would you compare and contrast a rhombus and a kite?
Geometry
How can you determine, without measuring any angles, weather a quadrilateral is a rectangle?
geometry
A guy wire is used to stabilize a utility pole. The wire is fastened to the pole 25 feet above the ground, and staked into the ground 4 feet from the base of the pole. (No stand-offs are used, the wire goes directly from the pole to the ground stake.) Someone recommends that m...
geometry
ok i'm having probelms with constructing perpendicular Bisectors....please help?
Geometry
Will a non-regular acute triangle tessellate the plane?
Geometry
If you marked the midpoints of the edges of a cube and sliced off all its corners through the midpoints of its edges, how many and what type of faces would the truncated figure have?
geometry
How are the radii of 2 two concentric circles related to the distance between them? I tried making an equation using their cirmcumferences but I was way off. All I did was subtract the inner circle's circumference from the outer circle's circumference and set it equal ...
geometry
Find a function that models the area A of a circle in terms of its circumference C.
Geometry
Which point of concurrency in a triangle is the point of intersection of the three altitudes of a triangle?
geometry
how would you solve this math problem: Given AC with endpoint a (16,-6) and midpoint M (3, 7). What are the coordinates of end point C?
Geometry - Conditional Statements/Proof
Rewire each statement as two if-then statements that are converses of each other. 18. Two angles are supplementary if and only if the sum of their measures is 180. 20. (x-4)(x+6) = 0 if and only if x = 4 or x = -6 22. Theorem 2-5 may also be worded in this way: "If altern...
Geometry
AB "union" AC, is a line, what is true about A,B and C
Geometry
Use the Law of Detachment to draw a conclusion. If the measures of two angles have a sum of 90 degrees, then the angles are complementary. measure of angle A + measure of angle B = 90. Could someone help explain the Law of Detachment so I can understand it better? And also, ho...
Geometry
The length of a median of a triangle is 36 units. How many units from the vertex is the median?
GEOMETRY
1 SPOOF IS A SET OF ALL PURRS. 2 SPOOF CONTAINS AT LEAST TWO DISTINCT PURRS. 3 EVERY LILT IS A SET OF PURRS AND CONTAINS AT LEAST TWO DISTINCT PURRS. 4. IF A AND B ARE ANY TWO DISTINCT PURRS, THERE IS ONE AND ONLY ONE LILT THAT CONTAINS THEM. 5. NO LILT CONTAINS ALL THE PURRS....
Pre Calc
I already asked this question and had some help, but I am still confused on a piece of it. I'm not sure what differentiate is. I understand how you got a and b, but I am confused with c. What is differentiate and how did you get the equation dA/dx = 72 - 6x^2 Question: Her...
Geometry
I really need help with this. Explain how the formula for the area of a triangle can be determined by using the formula for the area of a parallelogram.
Pre Calc To Reiny - Follow up on Pre-Calc Answer
Pre-Calc - Follow-up for Reiny - MUFFY, Saturday, October 3, 2009 at 10:27pm I wasn't sure if you would notice my question since it is so much later so I re-sent this as a new question. Please let me know if I shouldn't do that. I understand how you got a and b, but I ...
Pre-Calc
Here I am again stuck with another geometry type question. Here goes: A rectangle is inscribed between the x-axis and the parabola y=36-x^2 with one side along the x-axis. He drew the picture with the parabola at points (-6,0) (6,0) (0,6) the rectanle is drawn inside the parab...
math [geometry]
list the next two numbers in the sequence ... -2,0,4,12,28
GEOMETRYY
Two of the vertices of triangle ABC are A (1,2) and B(9,6). the slope of AC is 1 and the slope of BC is - 1/3. what are the coordinated of B? is theree a formulaa?
To Ms. Sue Math(Geometry)
Mathmatical pattern 4,6,9,13,18 I need formula as in y=x....
Geometry
How to construct Euler's line??? Anybody know any good websites or can just explain how to construct the orthocenter centroid and whatever else is in Euler's line????? Im Soooooo confused!!!!
Math(Geometry)
To Lauren - Ms. Sue, Monday, September 28, 2009 at 10:24pm What post? What is your question? In addition, your "name" can not be HELP ME NOW!!!! No one appreciates being screamed at to help you now! Using all caps online is like screaming at us. To Lauren - HELP ME N...
geometry
if sarah gets enough money to go to a movie, jenny will go. if jenny goes bob will go. if bob goes jake will go. only two people go to the movie, who are they?
geometry again again again again
If angle AFB= 8x-6 and angle BFC= 14x +8, find the value of x so that angle AFC is a right angle.
geometry again again again
Two angles are supplementary. one angle measures 12 degrees more than the other. Find the measures of the angles.
geometry again again
The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and its supplement.
Geometry again
Find the measure of angle T if the measure of angle T is 20 more than 4 times its supplement.
Geometry
Rays PQ and QR are perpendicular. p;oint S lies in the interior of angle PQR. If angle PQS equals 4+7a and angle SQR equals 9+4a, find the angle PQS and angle SQR. Can you please help me, I don't understand it.
geometry
In a triangle ABC, angle B is 3 times angle A and angle C is 8 degrees less than 6 times angle A. The the size of the angles. Size of angle A is = Size of angle B is = Size of angle C is = can someone please help me with this..? I am very weak at geometry...and math in general...
Pre-Calc
A pizzeria sells a rectangular 18 X 24 inch pizza for the same price that it sells its large 24" diameter pizza. If both pizzas have the same thickness, which option gives the most pizza for the money. Gosh I'm really rusty on my geometry. Can you give me an idea of h...
geometry
ughh i need help i dnt like proofs we'll here it the instructions write a two column proof the segment addition postulate is useful for this proof also. remember that the transitive && substitution properties are common in proofs this one requires substitution.. given is r...
geometry
A rectangular garden that is W ft wide is enclosed by 120 ft of fencing. How long is the garden?
geometry
write an equation of a line with undefined slope that passes through the point (3,-2
geometry
what does topologically equivalent mean? I have read the definition but I am still confused. I have a picture of a pretzel and am to figure out which picture (a pencil, a pipe or a trophy)is topologically equivalent to the pretzel. could someone explain this to me... none of t...
geometry
what does topologically equivalent mean? I have read the definition but I am still confused. I have a picture of a pretzel and am to figure out which picture (a pencil, a pipe or a trophy)is topologically equivalent to the pretzel. could someone explain this to me... none of t...
geometry
given: angle 1 is congruent to angle 2, angle measure 1=120 prove: angle measure 3=120
Geometry
The midpoint of line segment AB is (1,2). The coordinates of A are (-3,6). Find the coordinates of B. I know how to figure out midpoint, but I'm having trouble figuring out how to do this problem. Any help would be appreciated. :)
geometry
if each angle in a regular polygon is 157.5 degrees, how many sides does the polygon have?
geometry
-7 --- + (-5) 12 The negative seven is over the 12
geometry
-7 --- + (-5) 12 The negative seven is over the 12
Geometry
If the measure of an angle is 23o17’18’’, what is the measure of its supplement?
Geometry
What is an equation I can use to find the sum of the first 1000 counting numbers? I have been trying to find out how to figure out this problem, but can't find it my notes. Thanks in advance. :)
geometry
A careless person wrote, using the figure in the shape of a Y the the left ray is OA the right ray is OB and the straight ray is OC, the measure of angle AOB + the measure of angle BOC=measure of angle AOC. What part of the Angle Addition Postulate did that person overlook?
geometry
Whats the midpiont formula? I am totally blanking and i need it asap
(math) geometry
i have to find the next two terms for a pattern of H,He,LI,Be. I am confused any help?
Geometry
How do you factor out 4x(squared)-12x+5? Summer really messed up my memory, sorry :) :) :)
9th grade geometry
if RS=8y+4, ,,ST=4y+8 and RT=15y-9 find the value of y
Geometry
Find the value of the variable and VW if V is between U and W. UV=2,VW= 3x, UW=29 UV = r, VW = 6r, UW =42 UV = 4p - 3, VW = 5p, UW =15 UV = 3c+29, VW = -2c-4, UW = -4c Need a site to explain how to do these. Teacher not clear on explaining.
geometry
slope,distance,midpoint can you me
Geometry
Can you just help me with this thanks Directions: Tell which property is being used for each step I will give you an example Example: prove that if 4x-8=-8 then x=0 Given: 4x-8=-8 Prove: 0 A. 4x-8=-8 Given B. 4x-0 Addition property C. x=0 Division property Problem I need help ...
geometry
POSTULATES: how do I solve angle postualates? what are the steps?
Geometry 1
This is probably quite simple, but I was sick and missed the last few lessons. Anyway, here's the problem: Draw, mark, and label each figure: Rhombus EQUL with diagonals EU and QL intersecting at A. The intersecting at A is what's confusing me--as I said probably simpl...
Geometry
I need help asap please Which figure above, if any, is topologically equivalent to the given figure? Identify the topologically equivalent figure by letter. A pretzel a.pencil b.pipe, c.trophy
geometry
Can some one please help me figure the angles out? sorry I can't copy and paste the figures... The 17in x 17in square below is given. We have chosen 4 points M, N, P, and Q one on each of its sides as shown in the figure and joint them to obtain a new four sided figure in ...
geometry
Write an expression for the quantity 506000cm in which it is clear that all the zeros are significant.
Geometry
The inside lane in the track is 50m and the outside of the track is 100m 4 lanes are added around the outside of the track shown above. Each lane is 1 meter wide and the lanes are immediately next to each other with no space in between. If Teresa runs once around the outside l...
geometry
i have a triangle and i have to find the primeter....here are the measurements...3/8...3/8..3/8 on each side. 3/8+3/8+3/8=9/8?
Geometry
Find the circumference of a circle whose diameter is 2xR=4.2 ft. Use Pi = 3.14, and round the result to the nearest tenth. would this be 3.14*2*4.2ft?
Geometry
Find the circumference of a circle whose diameter is 2xR=4.2 ft. Use Pi = 3.14, and round the result to the nearest tenth.
Geometry
The sides of a square each measures 4 ¾ inches. Find the area of the square as a fraction or mix number. (Do not use decimals)
Geometry
draw a plane containing 4 coplanar points A, B, C, and D, with exactly 3 collinear poinys A, B, and D
Geometry
One pattern on my worksheet has angles. The first is 90 degrees, 135 degrees, then 157.5 degrees. I don't really see any pattern. Could anyone help me with this? Thank you so much. :)
Geometry
Using your calculateor, look at the successive ratios (of the Fibonacci sequence) of one term to the next. Make a conjecture. I don't exactly get what the questions asking. I tried listing the ratios, but I really didn't see any pattern. Thanks in advance. :)
Geometry
Name two different ways to continue the pattern. 48, 49, 50. I obviously know 51 could be an answer, but can't figure out a second way the pattern could be continued. Any help would be appreciated. :)
math-geometry
how/where would i use incenter, orthocenter, circumcenter, and centroid in real life situations?
Geometry
CAN SOME ONE JUST HELP ME HOW TO START IT OF PLEASE.. The foundation for a cylindrical water tank is a cylinder 27 ft in diameter and 3 ft high. How many cubic ft of concrete are needed to build the foundation?
Geometry
If m<TWZ=2c+36,find c so that line TW is perpindicular to line WZ
Geometry
Consider the experiment of rolling a single die what is the probability of rolling an odd number? I came up with 0.5,even odds as there are 3 odd and 3 even numbers so the prob. is 0.5 Did I do this correct.
Geometry
Which descriptor could be used to characterize three lines that intersect at the corner of a cube: coplanar, cubic, concurrent, or complementary? A) Coplanar B) Cubic C) Concurrent D) Complementary
geometry
What's the circumference of a circle whose area equals 20x 3.14 cm squared in centimeters?
Geometry
I really need help on this question can someone plz help me. If P(A)=2/11,P(B)=3/11,and P(C)=4/11, what can you say about P(A or B or C) when P(A and B and C) = 0?
Geometry
With exacty seven horizontal or vertical jumps, remove all seven red checkers leaving the single black checker. There's 8 pieces on a grid, the black is in A1 and and reds are in A2 A3 A4 B1 B2 B3 B4.
Geometry Math
1.What is the Distance Between Points A(4,-1) and B(-6,-3)?
Geometry
Help please I'm stuck in this 3 problems. 1.Find the center and radius of the circle (x - 1)2 + y2 = 36 2.Find the distance between the two points. Round an approximate result to the nearest hundredth(8, 0) and (0, 6) 3.Give the equation of the line that is perpendicular t...
geometry
how do you find the cube root of a number?
geometry
What is the diameter of a wheel whose area is 264 square inches?
Geometry
I don't know how to start this problem and it goes like this 6y2 = 7y - 5? Can you please help me just to start it off
Geometry
Solve the quadratic equation. 13) x2 - x = 72 A) -8, 9 B) -8, -9 C) 1, 72 D) 8, 9 Can some one please check my answer and let me know if I did it the right way. x2-x-72=0 (x-9)(x-8)=0 so the answer is D 8,9
Geometry
Can you check these multiple choice questions thanks. 1. What is the length of a rectangle that has an area of 20 square meters and a perimeter of 18 meters. A. 10 meters B. 2 meters C. 5 meters D. 9 meters Answer: B 2. Find the minimum perimeter of a rectangle whose area is 1...
GEOMETRY
is it true that the sides of regular polyhedron although having to be the same polygon, do not have to be regular polygons?
Geometry
Find the slope of the line through the given points(4, -8) and (5, -8) A)-16/9 B)0 C)-16 D) No slope b
Geometry
The product of two numbers is 30. One of the numbers is r. What is the other number?
geometry
Diagonals of an isoseles trapezoid are perpendicular always,sometimes,or never.
geometry
i need help. these are patterns. statessss! AL, AK, AZ, AR, ? the next two.
Geometry
How do I figure out the area and perimeter of a square if all I know is the cross (top left corner to bottom right corner) measurement? I have a square with the cross measurement of 8.5 (or 4 X sq root of 2, i rounded to 8.5). The square looks like it is cut in half to look li...
geometry
what do u call the numbers that can't be arranged into 2 row arrays
GEOMETRY
If a polyhedron has 13 vertices and 21 faces, how many edges does it have? I can't figure this one out.
geometry
In triangle LM equals 5 and m angle K equals 45. find KL. leave your answer in simplest radical form.?
Geometry
find the coordinates of the missing endpoint given that S is the midpoint. Problem: T(-4,3),S(-1,5)
geometry
10n+12=14n-12
geometry
A, B, C and D are collinear, points c x y z are collinear, AB = BC = CX YZ, AD = 54, XY = 22, and XZ = 33 i need help ho to figure this out
Geometry
Could you please help me with this and could you tell me how you figured it out. Thanks. Directions: In the figure, XP and XT are opposite rays and XQ bisects angle PXS. For each situation, find the value of x and the measure of the indicated angle. RXQ=2x+7 RXP=3x-11 PXS=x+37...
geometry
if ab=bc=cx=yz,ad=54,xy=22,and xz=33 how do i find the indicated lenght
geometry
a. If BC = 2x + 1, CD = 3x - 4 and BD = 22, find the value of x. b. Using the value of x, find BC and CD.
Geometry
Planes A and B intersect in line s. PLane C intersects A and B, but does not contain s. Draw and label the figure
Geometry
Draw and label this figure: Point C and line r lie in M. Line r intersects line s at D. Point C, line r, and line s are not coplanor
geometry
The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and its supplement.
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