3 years ago

I’ll give brainly The measure of ABC = 180°.

Mathematics

1 answer:

PolarNik [594]3 years ago

5 0

Answer:

y=37

Step-by-step explanation:

the addition of the 3 angles is 180°

then 40 + y +29 +2y = 180

69 + 3y =180

3y = 180 -69

3y= 111

y =111 ÷ 3

y = 37

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