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scZoUnD [109]
2 years ago
5

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

Mathematics
2 answers:
Illusion [34]2 years ago
4 0

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

RUDIKE [14]2 years ago
3 0

Answer:

Part A the answer is B

Part B the answer is 60

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