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Bas_tet [7]
2 years ago
15

Find the area of a regular pentagon with radius 9mm

Mathematics
1 answer:
Andreas93 [3]2 years ago
6 0

The area is calculated by using the formula A=(r^2)*n*sin(360/n)/2 where n is the number of sides which is 5 for pentagon and r is the radius which is 9 mm. So, using the formula, the answer is 51.4 mm^2.

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