Question

EXERCIS
1. Find the area of the following figures :
(1) A rectangle with length, 1 = 2 m
30 cm and breadth, b = 60 cm
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Answer 1

Answer:

$we \: know \: that \: area \: of \: rectangle \\ = length \times breadth \: {cm}^{2} \ \\ = (2 \times 100) + 30 \times 60 {cm}^{2} \\\ =230 \times 60 = 13800 \: {cm}^{2}$

Also see that metre is converted to

cm in above sum = 2×100= 200 cm

also answer can be represented in

metre 13800/100 = 138 m²