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Need help pls I asked before but they were of no help.​
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1 vote
Need help pls I asked before but they were of no help.​

Need help pls I asked before but they were of no help.​-example-1
User Haris Anwar
by
3.1k points

2 Answers

12 votes

A: D. m1 + m2 = m3

the exterior angle of a triangle is equal to the sum of the other 2 interior angles

B: 36 deg

plug in the equations given to find m1:

(5x + 11) + (3x+22) = (9x+28), solve for x to get x=5

plug x=5 into the equation for m1 to get 5*5 +11 = 36degrees

you might want to check my work just to be safe

User Sudo
by
3.1k points
5 votes

Answer:

Part A the answer is B

Part B the answer is 60

User Alfia
by
3.3k points
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