Question

A pair of adjacent sides of a rectangle are in the ratio 3:4. If its diagonal is 20 cm
the lengths of the sides and the diagonals.
find the lengths of the sides and hence, the perimeter of the rectangle.​

Answer 1

Answer:

A pair of adjacent sides of a rectangle are in the ratio 3:4. If its diagonal is 20 cm

the lengths of the sides and the diagonals.

find the lengths of the sides and hence, the perimeter of the rectangle.

Step-by-step explanation:

A pair of adjacent sides of a rectangle are in the ratio 3:4. If its diagonal is 20 cm

the lengths of the sides and the diagonals.

find the lengths of the sides and hence, the perimeter of the rectangle.

Answer 2

Answer:

apply pythegoars theoram

3x^2 + 4x^2 = 20^2

9x + 16x = 400

25x = 400

x = 400/25

x = 16

sides

3 x 16 = 48

4 x 16 = 64

perimeter

2(L+B)

2(48+64)

2 x 112

224 is the perimeter

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