find a, given that b =45° and C =86°
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Answered by
2
Step-by-step explanation:
angle a+angle b+angle c=180(angle sum pro.)
angle a=180-131
angle a=49
hope it helps you.....
Answered by
0
Answer:
a +b+c =180
a+45+86=180
a+ 131=180
a=180-131
a= 49
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