Question

find the perimeter(i) a rectangle whose diagonal is 26 cm and one side is 10 cm​

Answer 1

If the diagonal is 26cm and one side is 10cm, the third side is24cm.

Pythagoras formula —- 26^2 = 10^2 + l^2 where l = 24cm.

Perimeter of the rectangle is 2(24) + 2(10) = 68 cm.