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09-11-2020
Mathematics

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∠a and ∠b are supplementary angles. if m ∠a =(x +6)° and m ∠b= (7x +30)°, then find the measure of ∠a.

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blackbelturjit blackbelturjit

09-11-2020

Answer:

24 Degrees

Step-by-step explanation:

Supplementary Angles are two angles with a sum of 180 degrees.

x+6+7x+30=180

8x+36=180

8x=144

18=x

Plug in 18 to angle A

18+6=24

24 degrees

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