The side length of an equilateral triangle is 20 centimeters. Find the length of altitude of the triangle.

asked Apr 9, 2021 75.8k views

5 votes

by Reos

4.5k points

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4 votes

Answer:

17.3 cm

Explanation:

20² = 10² + x²

400 = 100 + x²

300 = x²

x = 17.3 cm

Cyberbikepunk answered Apr 15, 2021

5.6k points

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