6 - x/10 = -3
6 = -3 + x/10
9 = x/10
90 = x
Let's say side length is s.
s*s = 500, so s = √500.
4 sides needed, total length thus 4*s.
4√500 ≈ 89.4
Answer:
its 10
Step-by-step explanation:
10 times 1 is 10
Of means multiplication and Is means equals. So 0.81x =405
X = 500
