Answer:
2√15
Step-by-step explanation:
Use the Pythagorean theorem.
2² + x² = 8²
x² + 4 = 64
x² = 60
x² = 4 * 15
x = 2√15
the first piece of rope would be 4 feet
4 + 8 + 9 = 21
72 I think
I'm not 100% sure but I think its 72
45 cm²
