Question
Quantitative Aptitude Question on Geometry
What will be the area of a semi-circle whose perimeter if 12 cm?
A
8.2 sqcm
B
8.4 sqcm
C
8.5 sqcm
D
8.9 sqcm
Answer
8.5 sqcm
Explanation
Solution
1/2×3.1416×5.448≈1/2×17.123≈8.561cm2
What will be the area of a semi-circle whose perimeter if 12 cm?
8.2 sqcm
8.4 sqcm
8.5 sqcm
8.9 sqcm
8.5 sqcm
1/2×3.1416×5.448≈1/2×17.123≈8.561cm2