Question

The diagonal of a square field is 90m. Find its area?

Answer 1

Answer:

900m²

Step-by-step explanation:

PYTHAGORAS THEOREM: HYP² = S1² + S2²

Here, both sides are, of course, equal

So, 90² = x² + x²

8,100 = 2x²

x² = $\frac{8,100}{2}$ = 900

so, x = √900

= 30m

So, side of the square is 30m

So, area of the field is 30² = 900m²

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