Question

Find side and area.​

Answer 1

Answer:

(i) 12cm,48cm (ii) 15cm,60cm

Step-by-step explanation:

a² = area of square, 4a = perimeter, where, a is side of a square

(i) area = 144 cm²

a²= 144

a = √144

a = 12 cm

Perimeter = 4a = 4*12 = 48cm

(ii) area = 225 cm²

a²= 225

a = √225

a = 15 cm

Perimeter = 4a = 4*15 = 60cm

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