ABCD is a rectangle and EDGF and BJIH are one square. If AD = 20cm, AB = 9cm, ED = 7cm, BJ = 8cm, what is the perimeter of the entire area?
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ABCD is rectangle
length = 20cm
breath = 9cm
perimeter of rectangle = 2 length + 2 breath
= 2 (20) + 2 (9)
= 40 + 18
= 58cm
EDGF is square
side = 7cm
perimeter of square = 4 × side
= 4 × 7
= 28cm
BJIH is square
side = 8cm
perimeter of square = 4 × side
= 4 × 8
= 32cm
perimeter of entire area = area of ABCD + area of EDGF + area of BJIH
= 58cm + 28cm + 32cm
= 118cm
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