kateeeev kateeeev

21-05-2020
Mathematics

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Find the area of the lighter shaded region
-it’s 80 degrees inside the triangle

Find the area of the lighter shaded region its 80 degrees inside the triangle class=

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sqdancefan sqdancefan

19-06-2021

9514 1404 393

Answer:

5.1 cm²

Step-by-step explanation:

The area of a sector is given by ...

A = 1/2r²(θ -sin(θ)) . . . . where θ is the central angle in radians.

For this geometry, the area is ...

A = (1/2)(5 cm)²(80π/180 -sin(80°)) ≈ 5.1 cm²

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