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Type: Open-Ended
Category: Area
Level: Grade 10
Author: shalee44
Last Modified: 2 years ago

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Grade 10 Area

The ancient Greek mathematician Heron is most famous for his formula for the area of a triangle in terms of its sides; a, b, and c. The formula is:

A = s(s-a)(s-b)(s-c), where s = .5(a+b+c)

Use Heron's formula to find the area of a triangle with the following sides:
a = 8 in; b = 9 in; c = 10 in.
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