Question

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Answer 1

area of full wall = 21msquare
area of window and gate is 1.8m and 2.6 m
area to be painted = 21-4.4= 15.6 m square

Answer 2

Answer:

Step-by-step explanation:f you watch closely,the figure is made of 5 squares of side y.

So,area of one square=180/5

     y²=36cm²

     y=√36

     y=6 cm