Answer:
10
Step-by-step explanation:
10 x 2 = 20
10 = 20 / 2
{(1,4) (2,8) (3,12) (4,16)}
→
the ratio of PR to QS is 1:1 because they are congruent (equal)
If you draw a picture, you will see that PQRS is a parallelogram.
D 80
step by step
350 +(-350)=0 + 5h = 750 + (-350) =400
5h/5 =400/5=80
h=80