find the area of the following figure
please give me your answer fast with methods solution
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Answer:
628 m approximately
Step-by-step explanation:
formula to area of semicircle is 1/2 πr²
radius =diameter/2
=40/2=20
area=1/2×22/7×20×20
=628.571429
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Area = 628 cm²
Step-by-step explanation:
Diameter = 40
Radius = Diameter/2 = 40/2 = 20
Area of semi circle = 1/2(πr2)
= 1/2 × 3.14 × r²
= 1/2 × 314÷100 × 20 × 20
= 1/2 × 314÷100 × 400
= 1/2 × 400 × 314÷100
= 200 × 314 ÷ 100
= 62,800 ÷ 100
= 628 cm²
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