Question

the measure of each of four angles of a quadrilateral are equal. find the measure of each angle

Answer 1

the sum of each interior angle of quadrilateral is 360 degree.

x+x+x+x=360
4x=360
x=90.

each angle is 90

Answer 2

$the \: measure \: of \: interior \\ angle \: of \: quadrilateral \: is \\ \ = 360 \\ so \: that \: each \: angle = \\ x + x + x + x = 360 \\ 4x = 360 \\ x = \frac{360}{4} = 90 \\ so \: each \: angle = 90$