Answer:
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Step-by-step explanation:
12*12^3+2
12*1728+2
20736+2
20738
Value of angle A is 83.
solution,
I) x°+x°+15+2x°+1=180(Sum of angle of triangle)
or,4x+16=180
or,4x=180-16
or x=164/4
.°.x=41
Again
Angle A = 2x°+1 = 2×41 + 1 =83.
