# Diagonal - 9th grade (14y) - math problems

#### Number of problems found: 214

- Rhombus diagonal

Area of rhombus is 224. One diagonal measures 33, find length of other diagonal. - Cube diagonal

Determine the length of the cube diagonal with edge 37 mm. - Body diagonal

Calculate the cube volume, whose body diagonal size is 75 dm. Draw a picture and highlight the body diagonal. - Body diagonal

Calculate the length of the body diagonal of the 6cm cube. - Diagonal

Diagonal of the rectangle has length 46.4 cm. Angle between diagonal and londer sife of rectangle is 22°. Calculate area of the rectangle. - Square diagonal

Calculate the length of diagonal of the square with side a = 23 cm. - Diagonal to area

Calculate the area of a rectangle in which the length of the diagonal is 10 cm. - Trapezoid - diagonal

A trapezoid has a length of diagonal AC crossed with diagonal BD in the ratio 2:1. The triangle created by points A, cross point of diagonals S and point D has area 164 cm^{2}. What is the area of the trapezoid? - Square diagonal

Calculate the length of the square diagonal if the perimeter is 476 cm. - Body diagonal

Find the cube surface if its body diagonal has a size of 6 cm. - Diagonal

Calculate the diagonal length of the rectangle ABCD with sides a = 8 cm, b = 7 cm. - Body diagonal

Cuboid with base 7cm x 3,9cm and body diagonal 9cm long. Find the height of the cuboid and the length of the diagonal of the base, - TV diagonal

Diagonal TV is 0.56 m long, how big the television sreen is if the aspect ratio is 16:9? - Find diagonal

Find the length of the diagonal of a cuboid with length=20m width=25m height=150m - Rhombus

Calculate the length of the diagonal AC of the rhombus ABCD, if its perimeter is 84 dm and the other diagonal BD has length 20 dm. - Space diagonal angles

Calculate the angle between the body diagonal and the side edge c of the block with dimensions: a = 28cm, b = 45cm and c = 73cm. Then, find the angle between the body diagonal and the plane of the base ABCD. - Wall diagonal

Calculate the length of wall diagonal of the cube whose surface is 384 cm square. - Body diagonal

Calculate the volume and surface of the cube if the body diagonal measures 10 dm. - Volume and body diagonal

Calculate how much the volume and body diagonal of the cuboid decrease if we reduce each of its three edges a, b, c by 18%? - Construct

Construct a rhombus ABCD, if the size of the diagonal AC is 6 cm and diagonal BD 8 cm long.

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