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17-03-2017
Mathematics

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In the diagram, what is the measure of angle 1?

A. 15°
B. 125°
C. 135°
D. 45°

In the diagram what is the measure of angle 1 A 15 B 125 C 135 D 45 class=

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Аноним Аноним

17-03-2017

3X+9X=180
12X=180
X=15°
Angle 1=3X
Angle 1 =45°
That's your answer.

Answer Link

16-12-2018

Answer:

45

Step-by-step explanation:

3x+9x=180

x=180/12=15

<3x=<1

3x=3*15=45

then <1 =45

Answer Link

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