How do I work this out?

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asked May 13, 2019 65.0k views

1 Answer

Guedes · Answer 1 · 2019-05-18T05:26:28+0000

Area of the shaded part is given by:
A=(area of the sector)-(area of triangle)
A=(θ/360πr²)-(1/2sinθab)
A=(120/360*π*6²)-(0.5*6²*sin120)
A=12π-15.59
A=22.1 cm²

Answer: A=22.1 cm²

How do I work this out?

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