Answer:
D. The student did not use the correct formula to calculate the area of the segment.
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Note that
(
)² = a, for example
(
)² = 10² = 100 ← value inside the radical
Thus
(
)² = 3
Answer:
1/9
Step-by-step explanation:
3^-2
Remember that the negative exponent moves it to the denominator
1
---------
3^2
1
-----
9