McGraw Hill Integrated I, 2012
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McGraw Hill Integrated I, 2012 View details
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Exercise 1 Page 791

What is the measure of the angles of an equiangular triangle? Are they acute?

True

Practice makes perfect
An equiangular triangle is a triangle where all its angles have the same measure. In fact, in an equiangular triangle the measure of each angle is 60^(∘).

In other words, all the angles are acute, and so the triangle is also an acute triangle. Consequently, the given statement is true.

An equiangular triangle is also an example of an acute triangle.