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

Question

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] · Answer 1 · 2022-08-28T03:26:36+03:00

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