A cylinder has an 18-inch diameter and is 15 inches tall. It is filled to the top with water. A 6-inch-diameter ball is placed w
1 answer:
The water in the cylinder will be 1179π in³. Thus, 2nd answer choice is correct.
<h3>What is the volume of a right circular cylinder?</h3>Suppose that the radius of the considered right circular cylinder be 'r' units.
And let its height be 'h' units.
Then, its volume is given as:
A cylinder has an 18-inch diameter and is 15 inches tall. It is filled to the top with water.
A 6-inch-diameter ball is placed within the cylinder, and then the cylinder is filled with water.
We have to find the volume of the empty cylinder and then the volume of the ball.
Subtract the latter from the former.
The volume of the cylinder = πr^2h.
= π(9 in)²(15 in)
= 1215π in³
Volume of the ball = (4/3)π(3 in)³
= 36π in³
Subtracting
= 1215π in³ - 36π in³
= 1179π in³
Thus, 2nd answer choice is correct.
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Answer:
156.06 ft²
Step-by-step explanation:
The applicable formula for the area of the triangle is ...
Area = (1/2)bc·sin(A)
Filling in the given numbers, you have ...
Area = (1/2)(30 ft)(14 ft)·sin(48°) ≈ 156.06041335 ft²
The area of the triangle is about 156.06 square feet.
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Sufficient digits are provided here so that you can round to the precision you (or your computer) may desire.
