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3 years ago

7

The supplement of an angle measures 102°. what is the measurement of the angle?

1 answer:

Evgen [1.6K]3 years ago

3 0

180° - 102° = 78°
Correct answer: a.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Represent the missing length with x

The sides of the given shape are directly proportional.

Mathematically:

(15 + x) to (12 + 8) and x to 7

Represent as a ratio:

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Convert to fraction

$\frac{15 + x}{20} = \frac{x}{8}$

Cross Multiply:

$(15 + x)*8 = 20 * x$

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2 years ago

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Answer:

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Step-by-step explanation:

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