10-03-2021
Mathematics

contestada

A supplementary angle is split into 2 angles. One angle is 2x + 20°. The other angle is 40°. Solve for x and find the measurement of the missing angle.

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10-03-2021

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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