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2 years ago

13

Find the measure of angle A. A 9x+6 4x + 6 m/A=

1 answer:

Likurg_2 [28]2 years ago

6 0

Answer:

angle A=30°

Step-by-step explanation:

$9x + 6 + 4x + 6 + 90 = 180 \\ 13x + 102 = 180 \\ 13x = 180 - 102 \\ 13x = 78 \\ \frac{13x}{ 13} = \frac{ 78}{13} \\ x = 6 \\ 4x + 6 = a \\ 4(6) + 6 = a \\ 24 + 6 = a \\ 30 = a$

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Answer:

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Step-by-step explanation:

Given

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Required

The new coordinates after reflected across y-axis and shifted 2 units down

When a point is reflected across the y-axis, the rule is:

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So:

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So:

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