Answer:
C.
Step-by-step explanation:
C. is the only answer option with the correct perimeter of 18u
area is correct too
Answer: The 3rd one! Letter C.
Step-by-step explanation:
I used a calculator!
We have :
s - 39⁰+ s - 9⁰ = s + 29⁰
s + s - s = 29⁰ + 9⁰ + 39⁰
s = 77⁰
Answer: 77⁰
Ok done. Thank to me :>
You know you are finished dividing when you can no longer simply & when you plug it back in to check the answer
