Question

Find the area of the shape.
Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal.

Answer 1

Given : A Quadrant of circle  of radius 2

use π = 3.14  

To Find :  area of the shape.

Solution:

Area of circle = πr²

Area of sector  = ( sector angle / 360° ) *  πr²

r = 2

sector angle = 90°

Area of shape = ( 90/360)  π(2)²

= (1/4) 4π

= π   sq units

= 3.14 sq units

area of the shape is  π  or  3.14 sq units

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