Question

If a rectangular earth's Iranian diameter is 1800 square meters if its width is half the height, then the length of an Iranian rectangle is 1800 square meters if its width is half the width of the length?​

Answer 1

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Area A = L × B => 1800 = L × 40 => L = 45 m.

Perimeter P = 2(L + B) = 2(45 + 40) = 170 m.