andrescamiloholos andrescamiloholos

20-10-2020
Mathematics

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21-10-2020

Answer:

35 degrees

Step-by-step explanation:

The angles in a triangle and a straight line add up to 180 degrees.

So adding the angles together:

BCD + BCA = 180

75 + BCA = 180

BCA = 115

Then,

BCA + BAC + ABC = 180

115 + 40 + ABC = 180

Therefore,

ABC = 35 degrees

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