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What is the height, X, of the equilateral triangle ? (Help)

What is the height, X, of the equilateral triangle ? (Help)-example-1

2 Answers

4 votes

Answer:

It's A

Explanation:

User Ymv
by
5.8k points
3 votes

Answer:

A. 7√3 in

Explanation:

We first have to draw out the altitude on the triangle. When we do so, we should see that we will get 2 congruent 30-60-90 triangles. From there, our h height is x and we use tan∅ to solve:

tan60° = x/7

x = 7tan60°

x = 7√3

User DaveStephens
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