Each diagonal of a square is 16 centimetre its area is what
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to find its area
we have to find its side so
as all angles of a square is a right angle so
we can apply PGT to it
so
diagonal²= 2(side)²
let the side be x
16²= 2x²
256/2= x²
√128=x
the area of square = side ²=√128²
so area= 128cm2
we have to find its side so
as all angles of a square is a right angle so
we can apply PGT to it
so
diagonal²= 2(side)²
let the side be x
16²= 2x²
256/2= x²
√128=x
the area of square = side ²=√128²
so area= 128cm2
jas6064:
Why we have done 2 multiply by x
it was through Pythagoras theorem
as hypotenuse ²=base²+perpendicular ²
but base and perpendicular are sides of square
so
and hypotenuse is diagonal
so by adding it will result in
diagonal²=2(side)²
Ok
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