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asked Sep 19, 2018 216k views

2 Answers

Terence Ponce · Answer 1 · 2018-09-23T12:59:39+0000

well we know that A+B+C=180
and we know that A=45 and B=90
so together there 135
180-135=45
so C=45
now we also know that a straight line is 180 degrees so 180-45 =135(angle f)
135+15(angle e)=150
180-150=30
so angle d=30

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