Alex is planning to surround his pool ABCD with a single line of tiles. How many units of tile will he need to surround his pool?

Alex is planning to surround his pool ABCD with a single line of tiles. How many units of tile will he need to surround his pool? Round your answer to the nearest hundredth.

link to image: https://imgur.com/a/WnPoImB

A. 8.96
B. 10.48
C. 13.42
D. 20.42
2 answers 2