3 years ago

Experts/ace/trusted helpers/geniuses helpp mee plz

Mathematics

2 answers:

maria [59]3 years ago

8 0

inside angles need to equal 180

180-75-40 = 65

now the question mark and 65 need to equal 180

180-65 = 115

answer is 115

sertanlavr [38]3 years ago

4 0

The angles of a triangle must add to 180. We know 2 of the angles, so by subtracting them both from 180 we can find the remaining angle.

180 - 75 - 40 = 65

The 65 degree angle and the angle we are looking for are supplementary angles. This means they add to 180.

180 - 65 = 115

The answer is 115.

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