A supplementary angle is split into 2 angles. One angle is 2x + 20°. The other angle is 40°. Solve for x and find the measuremen
t of the missing angle.
1 answer:
Answer:
x=60 and the missing angle is 140
Step-by-step explanation:
40 × 2x + 20= 180
60 + 2x =180
2x=120
x=60
2(60)+20=140
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