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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°

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 measur class=

Respuesta :

Answer:

D

Step-by-step explanation:

3x and 30 are vertically opposite angles and congruent, then

3x = 30 ( divide both sides by 3 )

x = 10 , thus

3x = 3 × 10 = 30°

x = 10 ; angle measure is 30° → D

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Answer:

the answer is D, x= 10;angle measure is 30°

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