3 years ago

In triangle JKL what is the value of x° if JK = KL A) 38° B) 60° C) 69° D) 71°

1 answer:

3 0

Answer:

A: 38º

Step-by-step explanation:

Triangle JKL is an isosceles triangle as JK=KL:

That means ∠J=∠L=71º
The sum of a triangle's interior angles is 180º, so ∠K=180º-∠J-∠L. We know ∠J=∠L=71º, so ∠K=180º-71º-71º=38

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