The length of the diagonal of a square is 20cm. Its area is `400 c m^2` (b) `200 c m^2` `300 c m^2` (d) `100sqrt(2)\ c m^2`

The length of the diagonal of a square is 20cm. Its area is (a)400 c m^2 (b) 200 c m^2 (c)300 c m^2 (d) 100sqrt(2)\ c m^2

The length of the diagonal of a square is 20cm. Its area is 400cm^(2)( b) 200cm^(2)300cm^(2)(d)100sqrt(2)cm^(2)

The lengths of the diagonals of a rhombus are 36 cm and 22.5 cm. Its area is (a)810 c m^2 (b) 405 c m^2 (c) 202. 5\ c m^2 (d) 1620\ c m^2

Each diagonal of a square is 14 cm. Its area is (a) 196\ c m^2 (b) 88\ c m^2 (c) 98\ c m^2 (d) 148\ c m^2

If the length of the diagonal of a square is 20cm, then its perimeter is (a) 10sqrt(2)\ c m (b) 40cm (c) 40sqrt(2)\ c m (d) 200cm

If the perimeter of a square is 16 cm, then its area is (a)4 c m^2 (b) 8\ c m^2 (c) 16\ c m^2 (d) 12\ c m^2

If the length of a diagonal of a rectangle of length 16 cm is 20 cm, then its area is (a) 192\ c m^2 (b) 320\ c m^2 (c) 160\ c m^2 (d) 156\ c m^2

If the diagonal of a square is sqrt(8)\ metre, then its area is: (a) 8\ m^2 (b) 4\ m^2 (c) 16\ m^2 (d) 6\ m^2

If the length of the diagonal of a square is 20cm, then its perimeter is 10sqrt(2)cm(b)40cm (c) 40sqrt(2)cm(d)200cm

If the length of a diagonal of a cube is 8sqrt(3)\ c m , then its surface area is (a) 512\ c m^2 (b) 384\ c m^2 (c) 192\ c m^2 (d) 768\ c m^2