R LESSON 15-2 PRACTICE
11. UV is a median of trapezoid QRST. Find each measure.
Q 11
QU -
VS =
U
UV-
3
T
15
4
S
12. Reason abstractly. EF is a median of isosceles trapezoid ABCD.
Find each measure.
8x - 43
B
А
2y+3
E
2x
AE
ED
F
(6y-1
C
D
BF
10
FC =
AB=
EF

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.