One of the angles of a triangle has measure of 60° and other two angles are equal. Find these two angles.
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Answer:
60 are both
Step-by-step explanation:
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Answered by
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Step-by-step explanation:
From the triangle ABC
Consider ∠A=60∘ ,∠B:∠C=5:7
In a triangle ∠A+∠B+∠∠C=180∘
Substituting the values
60° +∠B+∠C=180 °
By further calculation
∠B+∠C=180∘
–60°
=120°
Take ∠B=5x and ∠C=7x
Substituting the values
5x+7x=120°
12x=120°
x=120°
/12=10°
So we get
∠B=5x=5××10 ° =50∘
∠C=7x=7××10° =70∘
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