Find the value of x and the measure of the angle labeled 3x. A. x= 14; angle measure is 30°
B. x = 10; angle measure is 42".
C. x = 14; angle measure is 42"
D. x = 10; angle measure is 30°

X=10

Step-by-step explanation:

3x=30

3(10)=30

30=30

30+42=72

I hope this helps!

D. x=10; angle measure is 30°

Step-by-step explanation:

hope this helps

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8

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