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TiliK225 [7]
3 years ago
11

The given figure shows a circle with centre at o and angel AOB=90degree. If the radius the circle is 40c.m and pie=3.14; calcula

te the area of the unshaded portion of the circle
Mathematics
1 answer:
GREYUIT [131]3 years ago
3 0
A circle is 360° in total, so the unsheded part should be 270 degrees. to calculate arc area, just calculate the circle area x 270/360, so here it'll be 40 square x pi x 270/360 so the answer is 3768 cm2
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