Question

Using trapezoid PQRS, solve for x.

A.3
B.9
C.19
D.21
(i will post the picture is a sec)

Answer 1

\[(5x+6+4x+3)=180\implies 9x+9=180\implies x+1=20\implies x=19\]

Answer 2

PQ || SR
therefore
4x+3=180-(5x+6)
9x=180-9
x=19

Answer 3

So the right answer is D.

Answer 4

thank you both so much! i really apreciate it