Question

The side of the square whose perimeter is 20m.

(a) 80m

(b) 5m

(c) 4m​

Answer 1

Answer:

80

20+20+20+20

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Answer 2

Answer:

(b) 5m

Step-by-step explanation:

$perimeter \: of \: square = 4 \times length \\ 20 = 4 \times length \\ \frac{20}{4} = length \\ length = 5m$