Question

find the area of the following polygon.​

Answer 1

$The formula to calculate the area of a regular polygon is, Area = (number of sides × length of one side × apothem)/2, where the value of apothem can be calculated using the formula, Apothem = [(length of one side)/{2 ×(tan(180/number of sides))}].$

Answer 2

Answer:

area of trapezium + area of rectangle +area of trapezium

1/2(12+25)×6+8×25+1/2(25+10)×4

37×3+ 200 + 35× 2

111+200+70

381cm²