Question 2 (2 points) If PQRS is a parallelogram, find the values of x and y. Select all that apply.
P
(4y + 10)
Tlx + 15
13x__9
(10y – 26)
S
R
X=4
圖 b
x=12
c
d
y=6
y=15
x=8
圖 f
y=14

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?