1 answer:
Answer:
131.88 cm²
Step-by-step explanation:
The surface area of a cylinder is 2πr² + 2πrh
Since the figure we are dealing here is a quarter of a cylinder, divide the equation by 4.
New equation =
We know:
r = 6 cm
h = 8 cm
Now substitute the values and solve:
= 131.88 cm²
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Should be should be {6, 8, 10}
The answer is A
Explanation
Answer:
Step-by-step explanation:
use the formula
-14 = 6 + (5 - 1)d
-14 = 6 + 4d
-20 = 4d
d = -5