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# How to find the area of a sector and triangle trigonometry?

Didn't study how do I find the area of a sector and triangle.How do I write the formula.

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- 7 years agoFavorite Answer
Area of triangle = (b * h) /2

where b - base of the triangle

and h - height of the triangle

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

where pi = 3.14

r - radius of the sector

theta - angle of the sector

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