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An equilateral triangle with side length 11 cm is shown in the diagram, work out the height of the triangle. Give your answer rounded to 1 DP. 30 points if answered!
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33 votes
33 votes
An equilateral triangle with side length 11 cm is shown in the diagram, work out the height of the triangle.

Give your answer rounded to 1 DP.
30 points if answered!

An equilateral triangle with side length 11 cm is shown in the diagram, work out the-example-1
User Grant Peters
by
2.7k points

1 Answer

11 votes
11 votes

Answer:

9.53 cm

Explanation:

Height of equilateral triangle.

a = 11 cm


\boxed{\text{height of equilateral triangle = $(√(3))/(2)*a$}}


\sf =(√(3)*11)/(2)\\\\ = (1.732*11)/(2)\\\\ = 9.53 \ cm

User Tom Fakes
by
3.0k points
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