A. 9 only bc only 9 can be equal to 9 if it was absolutely value then the answer would be 9 and -9
The answer is 36 pls mark me brainliest:)
Answer: 98
Step-by-step explanation:
Area of four walls = Curved surface area
= perimeter × height
= 28 × 3.5
= 98 m square
It can never be a square.