Using a Protractor..
It's a little plastic half circle thingy with angle measurements on it.
see image below
Answer:
Step-by-step explanation:
66.6344086
Let width = x ft then
2x + 2(2x) = 42
6x = 42
x = 7
so the width is 7 ft and length is 14 ft.
So the cost to build the pen = 14*1.25 + 14*1,25 + 7*2.50 + 7*2.50
= 70 answer
The first part is $15.00
Second part is $13.50
Mark me brainliest.
Thanks!