Question

one angle of a triangle is 60°.the other two angles are in the ratio 5:6 find the two an​

Answer 1

Answer:

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  

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–60  

∘

=120  

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Take ∠B=5x and ∠C=7x

Substituting the values

5x+7x=120  

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12x=120  

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x=120  

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/12=10  

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So we get

∠B=5x=5××10  

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=50  

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∠C=7x=7××10  

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=70  

∘

Step-by-step explanation:

Answer 2

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