Answer:
P= 4s
P= 4(45)
P= 180 in.
Explanation: write down the formula first. Then write down P= 4s, but change the "s" to the 45. Then multiply 45 by 4 then you have your answer. If your teacher ask you for an degrees it will be 180°. Which is also the sum of a triangle.
No
Step-by-step explanation:
first one: yes
second one: yes
third one: no
fourth one: yes
31.25
C. 25h – 5
5(6h - 1) - 5h = 30h - 5 - 5h = 25h - 5