Question

In the diagram below, AB and CD are bases oftrapezoid ABCD.DAB(Not drawn to scale)If m B = 123 and m2D = 75, what is mZC?Your answer

Answer 1

Remember that

the sum of the interior angles in any quadrilateral must be equal to 360 degrees

so

In this problem

mIn parallel sides, consecutive interior angles are supplementary

that means

m

123+mmm