Question

find the area of sector of circle with radius 7 cm which substance angle 30 degree at the circle

Answer 1

area of sector of radius 7 CM with angle 30 degree at the circle is 12.83

Answer 2

Area of circle=
$\pi r ^{2}$
=154sq.cm

The area of 360 degree sector is
154sq.cm.
so area of 30 degree sector will be
$\frac{30}{360} \times 154 = 12 \frac{5}{6} sq.cm$
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