Answer:
15
Step-by-step explanation:
Plug the number into the equations
A triangle has a total degrees of 180, so you add 55 and 53 to get 108
then you subtract that from 180 to get 72. 72 is your answer
The other length is 8 (8*9=72)
8+8+9+9= 34
The perimeter is 34 feet
Answer: 3 5 17.
Step-by-step explanation:
For 11 but idk 12
