3 years ago

13. The base angles of the triangle are congruent.

Mathematics

2 answers:

Keith_Richards [23]3 years ago

7 0

It will be the same as <BC

PIT_PIT [208]3 years ago

5 0

In an isosceles triangle like this the legs opposite the congruent angles are also congruent. therefore
10x-4=3x+17
7x=21
x=3
both sides are thus 26

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