shawty22selenaoy74s4 shawty22selenaoy74s4

26-10-2017
Mathematics

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find x on the triangle

find x on the triangle class=

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altavistard altavistard

26-10-2017

Since those 2 slanting sides are of equal length, this is an isosceles triangle.
Thus, those 2 angles at the bottom are the same.

2x = 40 deg => x = 20 deg (ans)

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