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Describing Triangles

Describing Triangles 1.5 - Solution

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a
Consider the given diagram.

We see that two sides in a triangle are congruent. According to the base angles theorem the angles opposite these sides are congruent. Thus, by the theorem Therefore, these two angles have the same measure.

As a result, we have that

b

The following triangle is given.

As we can see from the figure, Therefore, we can immediately identify the measure of as