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dlinn [17]
3 years ago
9

I need help plz 8th math

Mathematics
2 answers:
Lemur [1.5K]3 years ago
8 0

Answer:

56°

Step-by-step explanation:

hii!

to solve this, we need to know that the angles of a triangle all add up to 180 degrees.

we are going to make an x equation here.

2x+3x+40=180

5x+40=180

    -40  -40

5x=140

/5   /5

x=28

angle a is 2x, so the answer would be 28*2 which is 56°

hope this helped out :)

emmainna [20.7K]3 years ago
8 0

Answer:

80 degrees

Step-by-step explanation:

sorry if i'm wrong

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