Questions on Geometry: Polygons answered by real tutors!

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Question 1205049: Find the area of the shaded region.
https://imgur.com/a/IaHCHvI

Click here to see answer by mananth(16946) About Me 
Question 1205049: Find the area of the shaded region.
https://imgur.com/a/IaHCHvI

Click here to see answer by Edwin McCravy(20054) About Me 

Question 1205790: 4 sided polygon with angles of 20x, 8(2x+9degrees), 36x . Determine the value of angle x
Click here to see answer by josgarithmetic(39616) About Me 
Question 1205790: 4 sided polygon with angles of 20x, 8(2x+9degrees), 36x . Determine the value of angle x
Click here to see answer by MathLover1(20849) About Me 
Question 1205790: 4 sided polygon with angles of 20x, 8(2x+9degrees), 36x . Determine the value of angle x
Click here to see answer by ikleyn(52775) About Me 

Question 1206466: The diagram shows a small regular octagram (an eight-sided star) surrounded by eight squares (dark gray) and eight kites (light gray) to make a large regular octagram. Each square has area 1. What is the area of one of the light gray kites?
Click here to see answer by mananth(16946) About Me 

Question 1206843: Solve the equation 643x-1÷16x+2=256x÷42x

Click here to see answer by Edwin McCravy(20054) About Me 

Question 1206859: The base of right pyramid ABCDF is
rhombus ABCD. Segment FK is the
altitude of the pyramid. The angle
between the lateral edge FB and FK is
36°. Find the area and the perimeter of
△BFD if the length of the smaller
diagonal BD is 10 cm. Round your
answer to the nearest cm .

Click here to see answer by Edwin McCravy(20054) About Me 
Question 1206859: The base of right pyramid ABCDF is
rhombus ABCD. Segment FK is the
altitude of the pyramid. The angle
between the lateral edge FB and FK is
36°. Find the area and the perimeter of
△BFD if the length of the smaller
diagonal BD is 10 cm. Round your
answer to the nearest cm .

Click here to see answer by mccravyedwin(406) About Me 

Question 1207772: "There are two windows in Elana's bedroom, each of which has four
right angles. One of her windows has four congruent sides.
The other window contains two pairs of opposite sides that are
equal, but all four sides are not congruent. Which statement
about Elana's windows is true?"
1). Both windows are squares.
2). Both windows are pentagons.
3). Both windows are rectangles.
4). Both windows are rhombuses.

Click here to see answer by MathLover1(20849) About Me 

Question 1208232: what is the largest diameter circle that will fit inside a regular pentagon with 2-inch sides

Click here to see answer by ikleyn(52775) About Me 

Question 1208286: 4/3x-1/3=x+7


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Question 1208287: 4/3x-1/3=x+7
Click here to see answer by ikleyn(52775) About Me 

Question 1209323: Regular hexagon ABCDEF is inscribed in rectangle PQRS. If [AFP] = 20 and [ABC] = 25, then find [ABCDEF].
Click here to see answer by mccravyedwin(406) About Me 

Question 1198259: How many square inches are there in the lateral surface of a regular octagonal pyramid with 12 and 18 inches basal and lateral edges. Round off the answer to the nearest integer.
Click here to see answer by CPhill(1959) About Me 

Question 1198258: A square pyramid whose lateral edge is 3 ¼ times its base edge can hold 250 cubic inches of sand when level full. How many square inches are there in its lateral surface? Round off the answer to the nearest integer.
Click here to see answer by onyulee(41) About Me 

Question 1198364: V-QRST is a rectangular pyramid with an edge VS, base QRST. QR = 3/8 m, RS = 5/8 M, and VS = 2/3 m. How many square centimeters are there on its lateral surface? Round off the answer to the nearest integer.
Click here to see answer by onyulee(41) About Me 

Question 1198257: How many inches long is the altitude of a regular triangular pyramid the base is 12 inches on a side and its volume is 103.8 cubic inches. Round off the answer to the nearest integer.
Click here to see answer by onyulee(41) About Me 

Question 1198241: A square pyramid whose lateral edge is 3 ¼ times its base edge can hold 250 cubic inches of sand when level full. How many square inches are there in its lateral surface?
Click here to see answer by onyulee(41) About Me 
Question 1198241: A square pyramid whose lateral edge is 3 ¼ times its base edge can hold 250 cubic inches of sand when level full. How many square inches are there in its lateral surface?
Click here to see answer by ikleyn(52775) About Me 

Question 1209330: Given regular heptagon ABCDEFG, a circle can be drawn that is tangent to DC at C and to EF at F. What is radius of the circle if the side length of the heptagon is 1?
Click here to see answer by ElectricPavlov(122) About Me 
Question 1209330: Given regular heptagon ABCDEFG, a circle can be drawn that is tangent to DC at C and to EF at F. What is radius of the circle if the side length of the heptagon is 1?
Click here to see answer by ikleyn(52775) About Me 
Question 1209330: Given regular heptagon ABCDEFG, a circle can be drawn that is tangent to DC at C and to EF at F. What is radius of the circle if the side length of the heptagon is 1?
Click here to see answer by greenestamps(13198) About Me 
Question 1209330: Given regular heptagon ABCDEFG, a circle can be drawn that is tangent to DC at C and to EF at F. What is radius of the circle if the side length of the heptagon is 1?
Click here to see answer by math_tutor2020(3816) About Me 
Question 1209330: Given regular heptagon ABCDEFG, a circle can be drawn that is tangent to DC at C and to EF at F. What is radius of the circle if the side length of the heptagon is 1?
Click here to see answer by Edwin McCravy(20054) About Me 

Question 1209347: We cut a regular octagon ABCDEFGH out of a piece of cardboard. If $AB = 1$, then what is the area of the octagon?

Click here to see answer by math_tutor2020(3816) About Me 
Question 1209347: We cut a regular octagon ABCDEFGH out of a piece of cardboard. If $AB = 1$, then what is the area of the octagon?

Click here to see answer by greenestamps(13198) About Me 
Question 1209347: We cut a regular octagon ABCDEFGH out of a piece of cardboard. If $AB = 1$, then what is the area of the octagon?

Click here to see answer by ikleyn(52775) About Me 

Question 1209358: Two runners start at vertices A and B simultaneously and run clockwise around the perimeter of square ABCD at the same speed. A drone flies so that it is always at the midpoint of the two runners. What is the minimum distance between the two runners? What is the maximum distance between the two runners?

Click here to see answer by ikleyn(52775) About Me 

Question 1209527: (57) The diagonal of a square has length 7. Find the perimeter of a square with twice the area.
Click here to see answer by josgarithmetic(39616) About Me 
Question 1209527: (57) The diagonal of a square has length 7. Find the perimeter of a square with twice the area.
Click here to see answer by ikleyn(52775) About Me 

Question 1209520: (39) Square SQUR has sides of length x. If triangle SQE is equilateral, find the area of triangle QAU.
Link to diagram: https://ibb.co/C58rZ09R

Click here to see answer by CPhill(1959) About Me 
Question 1209520: (39) Square SQUR has sides of length x. If triangle SQE is equilateral, find the area of triangle QAU.
Link to diagram: https://ibb.co/C58rZ09R

Click here to see answer by ikleyn(52775) About Me 
Question 1209520: (39) Square SQUR has sides of length x. If triangle SQE is equilateral, find the area of triangle QAU.
Link to diagram: https://ibb.co/C58rZ09R

Click here to see answer by greenestamps(13198) About Me 
Question 1209520: (39) Square SQUR has sides of length x. If triangle SQE is equilateral, find the area of triangle QAU.
Link to diagram: https://ibb.co/C58rZ09R

Click here to see answer by Edwin McCravy(20054) About Me 

Question 1164857: If XY= XZ= XV and VX // YZ, find a,b, and c.
angle x= 40°
supplementary

Click here to see answer by ikleyn(52775) About Me 

Question 1168879: A1A2A3...An is a regular n-gon.
(a) Prove that A1A2A3A4 is a trapezoid.
(b) Prove that angle A2A1A4=360°/n
I don't know how to start or how to read the question. Thanks for your help.

Click here to see answer by CPhill(1959) About Me 

Question 1167917: The diagonals of a parallelogram measure 16 cm and 24 cm. The shorter side measures 10 cm.
1. Find the area of the parallelogram.
2. Find the measure of the longer side.
3. Find the measure of the smaller angle of the parallelogram.

Click here to see answer by ikleyn(52775) About Me 

Question 1167924: A rhombus has an area of 200 cm^2 and one of its interior angles is 110 degrees
a. Find the length of the sides
b. Find the length of the longer diagonal
c. Find the altitude of the rhombus

Click here to see answer by ikleyn(52775) About Me 

Question 1167926: 2. A parallelogram has diagonals 34 in and 20 in and one side measures 15 in.
a. Find the length of the other side
b. Find the area
c. Find the largest interior angle of the parallelogram

Click here to see answer by ikleyn(52775) About Me