The radius of the circle is 14 cm. what is the area of a secment whose arc is of measure 120°?
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faltu
you don't know segment area
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simply we can find answer instead of using formula
angle is 120 degree
it means that 3 like these parts can form a circle
so area of this portion is 1/3part of area of whole circle
area of circle = pi ×r×r
=22/7 × 14×14
=22×2×14
=22×28
=616 sq. cm
1/3part of 616
=205.33
so area of sector is 205.33sq.cm
angle is 120 degree
it means that 3 like these parts can form a circle
so area of this portion is 1/3part of area of whole circle
area of circle = pi ×r×r
=22/7 × 14×14
=22×2×14
=22×28
=616 sq. cm
1/3part of 616
=205.33
so area of sector is 205.33sq.cm
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