given a cube whose edge is a cm find  1- the angle between the digonal of the cube and the digonal of any one of it is faces   2- show that the angle between any adjacent sides is 90  3- the area of any face of the cube

Q: 1. Find the area of a parallelogram who's base and altitude are 20 cm and 12 cm respectively.

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Q: Find the area of the triangle with given three sides 15m, 20m and 25m.

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Q: 3. Find the total area of the composite shape, made up of a parallelogram joined to a triange 10 m 5…

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Q: What is the area of the kite if the diagonals are 12 in and 7 in long?

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Q: 3. Find the area of, the four-cusped hypocycloid 2/3 2/3 + Y 4

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Q: 8.9 m 7.9 m 7 m 13.1 m

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Q: One leg of a right-angled triangle ABC is twice as long as the other. Triangle A'B'C is formed by…

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Q: Calculate the Area: 7in 4in 9in

A: The given data is: To find the area of the parallelogram.

Q: Find the area of a rhombus if one diagonal has length 10 and a side has length 13.

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Q: The figure is made up of a rectangle of length 21 cm and three identical right-angled triangles. FK…

A: In the given figure, observe that GFHJ represents a rectangle with the measure of GF = 21 cm, that…

Q: Figure ABCD is a rectangle. Segment AB is 6 cm long, segment BC is 8 cm long, and segment AC is 10…

A: area of the triangle with the help of the dimensions given in a question

Q: Jan has a piece of wood that is feet long. He cuts off feet of the piece to use in a project. How…

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Q: Which is the possible length of the base of a parallelogram if the area is given by

A: Given: Area of Parallelogram=20x5-23x4-41x3+35x2+40x-70Height of Parallelogram=4x-7 To Find: Length…

Q: 15 cm 112 cm 1--20 cm

A: The area of a parallelogram is given by:  Area = base ×height       how to identify base and height:…

Q: 8. Consider the triangle OAB shown. Find: A(2,3.-1) a OA and OB ь ОАx ОВ c the area of AOAB. B(-1,…

A: Given that:

Q: 10 in. 10 in.

A: Given,

Q: Use Heron's formula for triangular area to find the area of an equilateral triangle with side length…

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Q: What happens to the inscribed polygon as the number of its sides increases?

A: topic - polygon

Q: 16.) Find the area of an isosceles triangle with legs each 12 feet long and a base 18 feet long. The…

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Q: Find 0 in the triangle Shown velow 2.

A: Given,

Q: 1. The area of the parallelogram can be found in two ways: a. A = 8 . b. A = 4. %3D

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Q: 3) Find the area of the regular octagon. 6 km

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Q: 5.) The diagonal of a square signboard is 8V2 meters. Find the area of the signboard?

A: Area of square A=a2 diagonal , d=2 a⇒a=d2A=a2=d22=d22

Q: A plane is passed through three vertices of a cube having a side of 20 cm so that the section formed…

A: We have to find the area of the equilateral triangle formed.