Consider the triangle shown on the next page, in which the three angles 0 are equal and

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Consider the triangle shown on the next page, in which the three angles 0 are equal and all sides have length 2.

(a) Using the fact that the sum of the angles in a triangle is 180°, what are the measures of the three equal angles θ?

(b) Suppose the triangle is cut in half as shown by a vertical line. What are the measures of the angles in the blue triangle on the left?

(c) What are the measures of the sides of the blue triangle on the left?

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