An exhaust fan has four blades of same size with radius of each blade 20cm , find the area of - Maths - Circles

Question

An exhaust fan has four blades of same size with radius of each
blade 20cm , find the area of each blade if they are equally spaced
(?=3 14)

Neha Sethi · Accepted Answer

Dear student
Each angle=360°8=45°So area of 4  bladessector=4×θ360°×πr2 where r=20 cm=4×45°360°×3
14×20×20=628 cm2
Regards

An exhaust fan has four blades of same size with radius of each blade 20cm , find the area of each blade if they are equally spaced . (?=3.14)