Question

find the measure of angleA =(2x+3) and angleB =2x-3 if the sum is 120degree​

Answer 1

Answer:

2x +3 + 2x - 3 = 120°

4x = 120°

x = 30°

So the required angles are

• (2×30°+3°) = 63°

• (2×30°- 3°) = 57°

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Answer 2

Answer:

2x+3+2x-3=120

4x=120

x=30

A=2×30+3=63

63°

B=2×30-3=57

57°

A=63°

B=57°