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16-12-2020
Mathematics

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how to do this question plz answer my question

how to do this question plz answer my question class=

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zorro92 zorro92

16-12-2020

I gotchuuuu

Ok so angle ABC we’re gonna call it X

Angle BCD is 2X

The trick is the sum of angles of a pentagon is 540 degrees.

90 + 115 + 125 + 2X + X = 540
3X = 540-330
X = 70

SoOoOoOoOooooo

Angle BCD is 140 degrees !!

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