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In the diagram below, circle O has a radius of 10. If the measure of arc AB is 72°, find the area of shaded sector AOB, in terms of π. Show all your work that leads to the final answer.

In The Diagram Below Circle O Has A Radius Of 10 If The Measure Of Arc AB Is 72 Find The Area Of Shaded Sector AOB In Terms Of Π Show All Your Work That Leads T class=

Sagot :

Answer:

62.8

Step-by-step explanation:

Area of sector=(pi*r^2)*(theta/360)

Area of sector=(pi*100)*(72/360)=62.8

The area of the shaded sector AOB in terms of π is 20π units squared.

How to find area of a sector?

The area of a sector can be described as follows;

area of sector = ∅ / 360 × πr²

where

  • r = radius of the circle

Therefore,

r = 10 units

∅ = 72°

Hence,

area of the sector = 72° / 360° × π10²

area of the sector = 7200 / 360 π

area of the sector = 20π units²

learn more on sector here: https://brainly.com/question/24351015

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