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13-04-2020
Mathematics

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The radius of a circle is 1 centimeter. What is the area of a sector bounded by a 90 arc

The radius of a circle is 1 centimeter What is the area of a sector bounded by a 90 arc class=

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13-04-2020

Given

radius (r) = 1 cm

thita = 90°

We have the formula to calculate area of sector which is

Area = (thita/ 360°) πr²

= 90°/360° * 3.14 * 1²

= 0.25 * 3.14 * 1

= 0.785 cm²

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