3 years ago

calculate the perimeter of a triangle that has an area of 2340 cm2, and an in-circle with radius of 18cm.

1 answer:

3 0

Half of the perimeter multiplied by the radius of the inscribed circle is formula to find the area of a triangle, by using this you can see that the perimeter is 260 because 2340 / 9 = 260.

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