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IRISSAK [1]
1 year ago
9

If A and B are supplementary angles and A is four times as large as ​B, find the measures of A and B.

Mathematics
1 answer:
lora16 [44]1 year ago
8 0

Answer: Angle A= 135 degrees and Angle B= 45 degrees

Step-by-step explanation:

Supplementary means two angles added together to make 180.

Angle A= 3x  and Angle B= x

So 3x +x =180

4x=180 divide both sides by 4

x =45

So Angle A = 3 times 45 =135 degrees

Angle B= the value of x which is 45 degrees

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Answer:

x = 11.75

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Step-by-step explanation:

By Elimination Method:

   7x - 3y = 48    ---- (1)

-

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Multiply equation (1) by 2 and equation (2) by 7

   14x - 6y = 96

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