maritzae1738 maritzae1738

18-08-2020
Mathematics

contestada

Finding area and perimeter
A square with sides of length 21m.

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LazyBun LazyBun

18-08-2020

Answer: P = 84m and A = 441m^2

Explanation:

Find Perimeter:

Form: P = 4a
But a = 21m

=> P = 4 x 21
=> P = 84m

Find Area:

Form: A = a • a
But a = 21m

=> A = 21 • 21
=> A = 441m^2

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