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guapka [62]
3 years ago
10

Find the value of x and the measure of the angle labeled 3x.

Mathematics
2 answers:
olga2289 [7]3 years ago
8 0

Answer:

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

igor_vitrenko [27]3 years ago
4 0

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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