a) Find mZE.

a) Find m/PST.

b) State the theorem(s) or definition that

you are using to justify your answer.

b) State the theorem(s) or definition that you

are using to justify your answer.

10. In the figure, JM || KL.

14. In kite JKLM, mZJMN = 250.

5x - 1

3x + 5

a) Show that the quadrilateral is a

parallelogram for x = 3.

b) Justify your answer with a theorem

or definition.

a) Find mZNJM.

11. a) Show that JKLM is a parallelogram

b) State the theorem(s) or definition that

for x = 7 and y = 14.

you are using to justify your answer.

b) Justify your answer using a

theorem or definition.

(9y + 1)0

(7x + 4)0/ K

15. a) In trapezoid ABCD, find mZA.

760

(10y - 13)

12. ABCD is a rectangle. AD = 15,

b) State the theorem(s) or definition that

AC = 25, and DC = 20.

you are using to justify your answer.

16. Find the length of the midsegment of

trapezoid PQRS.

a) Find BD.

47

Q

b) State the theorem(s) or definition that

you are using to justify your answer.

X

13. RSTQ is a rhombus.

97

R

(2x + 3)0

(5x + 15)

P

S

T