Question

In triangle abc, angle b =24° larger than angle



a.if angle c is 9° smaller than angle b, find the three angles of ∆abc?

Answer 1

b=24+a
c=b-9

a+b+c=180(angle sum property)
a+24+a+b-9=180
2a+15+24+a=180
3a+39=180
3a=180-39=141
a=141/3=47

therefore
b=24+47=71
c=71-9=62


a=47
b=71
c=62


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Answer 2

Step-by-step explanation:

a=47

b=71

c=62

hope this helps you