3 years ago

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

Mathematics

2 answers:

kozerog [31]3 years ago

6 0

Answer:

Step-by-step explanation:

3x+9x=180

x=180/12=15

<3x=<1

3x=3*15=45

then <1 =45

grin007 [14]3 years ago

5 0

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

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