Mathematics
Grade-8
Easy
Question
The formula for Volume of a Cone is,
- V=π r3h
- V=π r2h
- V=(1/3)π r2h
- V=(4/3)π r3
Hint:
Volume of Cone =
The correct answer is: V=(1/3)π r2h
We Know that the volume of a cone =
where r is radius and h is height
so , is right choice .
Related Questions to study
Mathematics
List the cones described below in order from least volume to greatest volume.
- Cone 1: radius 11 cm and height 9 cm
- Cone 2: radius 8 cm and height 14 cm
- Cone 3: radius 14 cm and height 8 cm
List the cones described below in order from least volume to greatest volume.
- Cone 1: radius 11 cm and height 9 cm
- Cone 2: radius 8 cm and height 14 cm
- Cone 3: radius 14 cm and height 8 cm
MathematicsGrade-8
Mathematics
Elise fills a waffle cone with ice cream exactly level to the top of the cone. If the cone has a diameter of 2 3/8 inches and a height of 6 inches, how much ice cream does the waffle cone hold? Write your answer in terms of π. Round to the nearest hundredth.
Elise fills a waffle cone with ice cream exactly level to the top of the cone. If the cone has a diameter of 2 3/8 inches and a height of 6 inches, how much ice cream does the waffle cone hold? Write your answer in terms of π. Round to the nearest hundredth.
MathematicsGrade-8
Mathematics
A cone has the radius of 1 meters and the height of 1 meters. Find the volume of the cone. Round your answer to the nearest tenth.
A cone has the radius of 1 meters and the height of 1 meters. Find the volume of the cone. Round your answer to the nearest tenth.
MathematicsGrade-8
Mathematics
A cone has the radius of 2 yards and the height of 6 yards. Find the volume of the cone. Round your answer to the nearest tenth.
A cone has the radius of 2 yards and the height of 6 yards. Find the volume of the cone. Round your answer to the nearest tenth.
MathematicsGrade-8
Mathematics
Find the relationship between the volume of a cone and cylinder when they both have the same radius and height.
Find the relationship between the volume of a cone and cylinder when they both have the same radius and height.
MathematicsGrade-8
Mathematics
A spherical ball has a diameter of 5 inches. The ball has a slow leak which the air escapes at a rate of 3.5 cubic inches per second. The time it would take for the ball to deflate is ___________.
A spherical ball has a diameter of 5 inches. The ball has a slow leak which the air escapes at a rate of 3.5 cubic inches per second. The time it would take for the ball to deflate is ___________.
MathematicsGrade-8
Mathematics
A spherical ball has a diameter of 8 inches. The ball has a slow leak which the air escapes at a rate of 2.5 cubic inches per second. The time it would take for the ball to deflate is ___________.
A spherical ball has a diameter of 8 inches. The ball has a slow leak which the air escapes at a rate of 2.5 cubic inches per second. The time it would take for the ball to deflate is ___________.
MathematicsGrade-8
Mathematics
Sarah is blowing up spherical balloons for her brother's birthday party. The balloons have a radius of 3 inches. If she can inflate the balloon at a rate of 200 cubic in. per minute, the time it would take for the balloon to deflate is ___________.
Sarah is blowing up spherical balloons for her brother's birthday party. The balloons have a radius of 3 inches. If she can inflate the balloon at a rate of 200 cubic in. per minute, the time it would take for the balloon to deflate is ___________.
MathematicsGrade-8
Mathematics
Find the volume of the hemisphere
Find the volume of the hemisphere
MathematicsGrade-8
Mathematics
Find the volume to the nearest hundredth using 3.14 for Pi.
Find the volume to the nearest hundredth using 3.14 for Pi.
MathematicsGrade-8
Mathematics
If a tennis ball has a diameter of 14, find the volume of the tennis ball. Use 3.14 for pi. Round to the nearest whole number (the ones place).
If a tennis ball has a diameter of 14, find the volume of the tennis ball. Use 3.14 for pi. Round to the nearest whole number (the ones place).
MathematicsGrade-8
Mathematics
Henry wants to know how much water a sphere can hold with a radius of 6.1 cm. Find the volume. Use 3.14 for pi.
Henry wants to know how much water a sphere can hold with a radius of 6.1 cm. Find the volume. Use 3.14 for pi.
MathematicsGrade-8
Mathematics
Barney wanted to know how much ice cream he got in one scoop. The radius of a scoop is 2 inches. Find the volume. Use 3.14 for pi.
Barney wanted to know how much ice cream he got in one scoop. The radius of a scoop is 2 inches. Find the volume. Use 3.14 for pi.
MathematicsGrade-8
Mathematics
Find the volume of a sphere with the radius of 1.5 cm.
Find the volume of a sphere with the radius of 1.5 cm.
MathematicsGrade-8
Mathematics
If a tennis ball has a diameter of 4.8, calculate the volume of the tennis ball. Use 3.14 for pi. Round to the nearest whole number (the ones place).
Note that the value of is taken as which is an approximate value of . Though it is not exact, we can use this to find the value of a mathematical expression. We can take the value of as also.
If a tennis ball has a diameter of 4.8, calculate the volume of the tennis ball. Use 3.14 for pi. Round to the nearest whole number (the ones place).
MathematicsGrade-8
Note that the value of is taken as which is an approximate value of . Though it is not exact, we can use this to find the value of a mathematical expression. We can take the value of as also.