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13. The base angles of the triangle are congruent. What is the value of x and the length of each side? Show all work!
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2 votes
13. The base angles of the triangle are congruent.

What is the value of x and the length of each side? Show all work!

13. The base angles of the triangle are congruent. What is the value of x and the-example-1
User Mark Thistle
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2 Answers

2 votes
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
User Repeat
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7.3k points
3 votes
It will be the same as <BC
User Guille
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6.7k points
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