Question

find the area of the regular polygon (step by step) forget blue dark line ​

Answer 1

Answer:

$72cm {}^{2}$

Explanation:

Take the horizontal line (in the picture)

Area of trapezium $= \frac{l + b}{2} \times h = \frac{12}{2} \times 3 = 18cm {}^{2}$

Area of rectangle $= l \times b = 6 \times 10 = 60cm {}^{2}$

So, Total Area $= 60 + 18 = 78cm {}^{2}$

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