Answer:
b
Step-by-step explanation:
cause its 7
i know also cause it what i do im a math teacher at k12 online school
Answer:
127.17cm²
Step-by-step explanation:
Area of a semicircle: πr² ÷ 2
d = 18
r = 18/2 = 9
Area of a semicircle: 9²π ÷ 2 = 127.17cm²
Answer:
0.5% error
Step-by-step explanation:
We can use the percentage error formula, which is
.
We know that the approximated value was 8.04, however it is actually 8cm, so we can substitute inside the equation.

Hope this helped!