Answer: 5.3
Step-by-step explanation: Do 9.8 (Friend swim depth) - 4.5 (dolphin jump height) to get your answer.
That’s really nice man. I’m sure she’ll love it
b=3
I found this out by subtracting and adding on both sides.
Finding perimeter is simple. All you do is add up all of the side lengths, and bada bing bada boom, you got the perimeter.