Question

three angle of a quadrilateral are equal if the fourth angle is 105 find the magnitude if each of the equal angle

Answer 1

heya ..
here is Ur answer..
hope this helps u dear ...

Answer 2

$let \: the \: three \: angles \: i.e..equal \: \: be \: x \: \\ \\ and \: as \: we \: know \: that \: the \: sum \: of \: all \: angles \: of \: a \: quadrilateral \: is \: 360 \: and \: one \: of \: the \: angle \: is \: 105 \: given \\ \\ \\ therefore \\ x + x + x + 105 = 360 \\ 3x + 105 = 360 \\ \\ 3x = 360 - 105 \\ \\ 3x = 255 \\ \\ x = \frac{255}{3} \\ \\ x = 85$
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