Question

find a the area b the perimeter of the square pqrs if.
1. PQ=QR=20cm
2. PQ=QR=1.2m

Answer 1

$pq = qr = 20 \: cm \\ \\ area \: of \: \: square \: = 20 \times 20 = 400 {cm}^{2} \\ \\ pq = qr = 1.2m \\ \\ area \: of \: suare = 1.2 \times 1.2 = 1.44 {m}^{2}$

Answer 2

Answer: area = side * side

perimeter = side*4

Step-by-step explanation:

          in first case side = 20 cm

area = 20 * 20 = 400 sq. cm

perimeter = 20 * 4 = 80 cm

         in second case side = 1.2 m

area = 1.2 * 1.2 = 1.44 sq. m

perimeter = 1.2 * 4 = 4.8 m