Recent Homework Questions About Geometry
The Polygon Angle-Sum Theorem states the following: The sum of the measures of the angles of an n-gon is ____. (1 point) (n 1)180o (n 2)180o 9. What is the measure of one angle in a regular 16-gon? (1 point) 2,520o 202.5o 157.5o 78.75o 10. The measure of each ...
Monday, December 31, 2012 at 6:28pm
geometry inequality triangles help if you can
Two sides of an obtuse triangle are 16 and 21. How many possible lengths are there for the third side, if it is a positive integer? i know that in an obtuse triangle a^2+b^2<c^2 a+b>c but i tried plugging in and it wont work so couldyou guys help me? btw merry christmas ...
Monday, December 31, 2012 at 11:58am
LPG is stored in highly insulated spherical vessels in most oil refineriesif.If the inside diameter of one of these tanks is 11.4ft, find it's volume. Report your answer to the nearest one-tenth of a gal. Use r=3.14 and 1 cubic ft=7.5gal
Saturday, December 29, 2012 at 8:32pm
Two cylinders have the same volume. If the radius of cylinder I is 3 times the radius of cylinder II, then the height of cylinder II is how many times the height of cylinder I? A. 12 B. 9 C. 6 D. 3 Please explain how, if possible.
Saturday, December 29, 2012 at 3:40pm
I am really stuck on a couple of these. 2 column proof Given: FH is congruent to GE and angle HFG is congruent to angle EGF Prove: triangle GEH is congruent with triangle FHE.
Saturday, December 29, 2012 at 8:01am
write a 2 column proof, Given D is the midpoint of AC, E is the midpoint of BC and DE is congruent to EF, prove: DE is parallel to AB and DE = 1/2 AB. answer is 15 steps
Saturday, December 29, 2012 at 7:56am
GEOMETRY HELPPPPP MEEEE PLEASSEEEEE!!!
Find the lengths of the diagonals of this trapezoid. trapezoid on a graph with points (-a,0), (-b,c), (b,c), (a,0) negative a and b are on the left side (a is on bottom and b is on top) and positive a and b are on the right side (a is on bottom and b is on top) please please ...
Sunday, December 23, 2012 at 7:30pm
Please help!!!!! The points A,B,C,D have coordinates (3,3), (8,0), (-1,1), (-6,4) respectively. a) Find the gradients of the lines AB and CD b) Show that ABCD is a parallelogram c) Find the coordinates of the point of intersection of the diagnols AC and BD. Please help me by ...
Wednesday, December 19, 2012 at 1:50pm
help hexagon geometry
A regular hexagon is inscribed in a circle and another regular hexagon is circumscribed about the same circle. What is the ratio of the area of the larger hexagon to the area of the smaller hexagon? Express your answer as a common fraction. How is this done? Would we divide it...
Wednesday, December 19, 2012 at 8:30am
Create a word problem about a real life situation involving perimeter and area of a composite shape. I don't know any real life situations involving perimeter and area of a composite shape. Need Help. Please Help.
Wednesday, December 19, 2012 at 6:37am
Collect magazine or newspaper articles (including graphs) that use directed number quantities and explain in each case how the directed numbers were used.
Wednesday, December 19, 2012 at 6:29am
please help - area of a dodecagon?
The distance between two opposite vertices of the dodecagon is 2. Find the area of the dodecagon. first, what is the area of a dodecagon and second how to find it with just the distance between two oppositve vertices. i found that a dodecagon can be divided into 24 triangles: ...
Tuesday, December 18, 2012 at 10:35am
A rectangular wall is 22.7 feet long and 7.5 feet high. If the door in the wall is 2 feet wide and 6.5 feet high, what is the area of the wall excluding the door?
Saturday, December 15, 2012 at 2:15pm
I know caffeine is more polar than salicylic acid but how would I explain that given their respective structures? I know for smaller molecules you would figure out the polarity of individual bonds and the molecule's geometry but I can't figure out how to transfer this...
Saturday, December 15, 2012 at 1:39pm
In triangle GHJ and triangle KLM, it's given that <G and <K are right angles, segment GH is = to segment KL and <H is = to <L. prove that triangle GHJ is = to triangle KLM/
Thursday, December 13, 2012 at 4:44pm
Please help me to solve this problem. Find the equation of the locus of a moving point if the sum of the slopes of the line joining it to (1,3) and (4,-2) is 1.
Thursday, December 13, 2012 at 4:37pm
Geometry- Preferably Ms. Sue
Lucinda wants to build a square sandbox, but she has no way of measuring angles. Which of the following explains how she can make sure the sandbox is square by measuring only length? A)Arrange four equal-length sides, so the diagonals bisect each other. B)Arrange four equal-...
Thursday, December 13, 2012 at 4:32pm
Benji is 55 ft from the base of his apartment building in New York when he spots his friend, Ronny, in the apartment building 150 feet up on the 15th floor. From where he is standing, what is the angle of elevation when he looks up at Ronny? Round to the nearest hundredth.
Thursday, December 13, 2012 at 9:17am
three towns want to build a fire station that can serve them all. explain how the towns might go about finding the optimal location for the fire station
Wednesday, December 12, 2012 at 5:06pm
geometry please please please help
What is the value of x in the regular polygon below? hexagon with an interior angle value of 3x please please help and thanks in advance. :)
Wednesday, December 12, 2012 at 4:35pm
Daniel sees a lighthouse in the harbor. He estimates the angle of elevation is 60°. If the lighthouse is 120 feet tall, what is the approximate distance between Daniel and the top of the lighthouse? (Assume the lighthouse meets the ground at a right angle
Wednesday, December 12, 2012 at 11:13am
a tree grew at a 3 degree slant from the vertical. at a point 60 feet from the tree, the angle of elevation to the top of the tree is 14 degrees. find the height of the tree to the nearest tenth of a foot.
Tuesday, December 11, 2012 at 9:09pm
Geometry PLEASE HELP ME
ABC has vertices A(0, 6), B(4, 6), and C(1, 3). Sketch a graph of ABC and use it to find the orthocenter of ABC. Then list the steps you took to find the orthocenter, including any necessary points or slopes you had to derive.
Tuesday, December 11, 2012 at 2:11pm
Geometry PLEASE HELP ME
What is the range of possible values for x? The diagram is not to scale. Quadrilateral ABCD with diagonal from vertex B to vertex D. Sides AB and BC are congruent. Side AD is 22 units. Side DC is 30 units. The measure of angle ABD is given by 2x. The measure of DBC is 34 ...
Tuesday, December 11, 2012 at 2:08pm
. In the middle of the page, draw an equilateral triangle with 2 inch sides and the bottom parallel to the bottom of the page. 2. From the center of the right side, draw two parallel lines an inch apart and an inch long. 3. Draw a line from the end of one of the parallel lines...
Monday, December 10, 2012 at 6:00pm
three teenagers can eat 6 pizzas in half an hour. Assuming that their friends eat at the same rate, how many pizzas can 5 teenagers eat in 90 minutes?
Sunday, December 9, 2012 at 11:32pm
The lengths of the sides of a triangle are 3,5, and 7 inches. How many inches long is the shortest side of a similar triangle that has a perimeter of 75 inches? F.10 G.12 H.14 H.15 k.22
Friday, December 7, 2012 at 7:57pm
Are these quadrilaterals with the following characteristics parallelograms? (quadrilateral ABCD with diagonals intersecting at E) 1. AB is congruent to AD and AB is parallel to DC 2. AB and DC are congruent and parallel 3. DE and BE are congruent (I'm helping TA for a ...
Friday, December 7, 2012 at 7:12pm
GEOMETRY HELP ASAP!!!!
what are the missing reasons in the 2 column proof? Given: JM = ML and m<JMK > m<KML Prove: JK > KL Statements Reasons 1. JM = ML 1. Given 2. KM = KM 2. ? 3. m<JMK > m<KML 3. Given 4. JK > KL 4. ? I think 2 is reflection but im not positive. and I have ...
Friday, December 7, 2012 at 1:04pm
Where can the lines containing the altitudes of an obtuse triangle intersect? I. inside the triangle II. on the triangle III. outside the triangle A)I only B)I or II only C)III only D)I, II, or III PLEASE HELP ME ASAP!!!!
Thursday, December 6, 2012 at 5:09pm
Write the if-then statement that follows from the pair of true statements If I go to the movie, then I will stay up late If I stay up late, then I will be tired tomorrow
Wednesday, December 5, 2012 at 9:59pm
please help this is a geometry question
An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units. I have tried solving this but it is hard how to ...
Wednesday, December 5, 2012 at 7:09pm
Jose wants to put fencing around his rectangular garden. His garden measures 31 feet by 33 feet. The garden has a path around it that is 3 feet wide. How much fencing does Jose need to enclose the garden and path?
Wednesday, December 5, 2012 at 12:00pm
I am really struggling on this problem - geometry
Please help guys if you can, this is a really hard problem I am trying to solve Four circles of unit radius are drawn with centers (1,0),(0,1) ,(-1,0) ,(0,-1) and . A circle with radius 2 is drawn with the origin as its center. What is the area of all points which are ...
Wednesday, December 5, 2012 at 7:25am
Is carbon graphite or a diamond harder to break or scratch and why. You must use an explanation of molecular geometry, intermolecular and intramolecular forces to answer this question. I'm confused...
Tuesday, December 4, 2012 at 8:08pm
Forest rangers use degree measure to identify directions and locate critical spots such as fires. A forest ranger at tower A observes smoke at a bearing of 149 degrees (clockwise from the north) while another forest ranger at tower B observes the same smoke at a bearing of 250...
Tuesday, December 4, 2012 at 6:54pm
PLEASE HELP geometry trapezoid problem please help
The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. Find the length of the median of the trapezoid. I don't get it... i got as far as the area is 40, and m (median) times the height is 40 as well... please help!
Tuesday, December 4, 2012 at 11:33am
a cylinder is inscribed in a rectangular solid with a base length that is 10 inches and width that is 10 inches and a height of 16 inches. what is the radius of the cylinder?
Tuesday, December 4, 2012 at 8:48am
Plane and Solid Geometry
A piece of wood whose ends are square was cut from a cylindrical piece of wood which was cut from the same pieces of wood whose ends are squares 10 centimeter by 10 centimeter and length 20 centimeter. Find the volume of wood(smallest volume) with the least waste.
Tuesday, December 4, 2012 at 8:34am
Using vectors, show that the centroid of a regular pyramid with a rectangular base lies on the altitude to the base and is 4/5 of the altitude's length from the vertex.
Monday, December 3, 2012 at 9:33pm
Does SSSS (four sides of one are congruent to four sides of the other) work as a congruence theorem (a way to prove they are congruent) for quadrilaterals? Explain.
Sunday, December 2, 2012 at 4:59pm
The lengths of the sides of quadrilateral PQRS are PQ=x^2, QR=20-x, RS=x^2-4, PS=1-4x. Find a value of x that will make PQRS a kite (two pairs of congruent consecutive sides).
Sunday, December 2, 2012 at 2:33pm
Find 2 points on the perpendicular bisector of line AB. Verify your results by showing each point is equidistant from A and B. 34.) A (0,0) B 90,4) 36.) A (3,3) B (3,-3) 38.) A (3,0) B (1,4)
Sunday, December 2, 2012 at 1:50pm
A painter leans a 20-ft ladder against a building. The base of the ladder is 12 ft from the building. To the nearest foot, how high on the building does the ladder reach?
Wednesday, November 28, 2012 at 2:03pm