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Zepler [3.9K]
2 years ago
9

Question 3 - 1 Point

Mathematics
1 answer:
exis [7]2 years ago
3 0

Answer:

m∠A=42

Step-by-step explanation:

Since they are complementary they must add up to 90°.

(2x+30)+(6x+12)=90

We can just remove parenthesis since you can't really do anything with them.

2x+30+6x+12=90

Combine like terms.

8x<u>+42</u>=90

Do inverse to find the value of x.

<u>8x</u>=48

x=6

Now since we are looking for the m∠A and not x we need to replace the x with the value of x in the ∠A equation.

(<u>2(6)</u>+30)

(<u>12+30</u>)

m∠A=42

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Step-by-step explanation:

<u>It looks like</u>

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