Can you show all the answer choices, so I know if I am correct or not?
Answer:
21.4m
Step-by-step explanation:
Circumference : x diameter
is approximately 3.142
3.142 x 6.8 = 21.3656
Nearest tenth = 21.4m
None of them really, but C is equivalent to the Triognometric Pythagorean Theorem:



That's the Trigonometric Pythagorean Theorem
Answer: C
Answer:
L = 12 inches
Step-by-step explanation:
Using the Pythagorean theorem:
15² - 9² = L²
L² = 144
L = 12 inches