Question

what us the area of square with diagnol 8 cm

Answer 1

hey mate here is the answer =>
Area of a square is half the product of the diagonals.

Since the diagonals are equal in a square, the product of diagonals is 64cm and half of 64 is 32 square centimeters. 

area of a square with a diagonal of 8cm= 32 cm sq

area of square = 32cm²

hope this helps you