What is the formula to calculate the area of a circle?

• Area = 2 * pi * radius

• Area = pi * radius

• Area = 2 * radius^2

• Area = pi * radius^2

Tags

CCSS.7.G.B.4

What is the radius of a circle?

• A line segment that connects the center of the circle to any point on the circle's circumference.

• A segment whose endpoints are 2 points on a circle.

• A chord that passes through the center of a Circle.

• A line that intersects a circle in two points

If the radius of a cylinder is 4 cm, what is the area of its circular top?

• 16 pi cm^2

• 8 pi cm^2

• 32 pi cm^2

• 64 pi cm^2

Tags

CCSS.7.G.B.4

What is th volume of an object?

• The amount of space occupied by the object or shape, which is in three-dimensional space

• The total distance around the shape

• The space covered by the figure or any two-dimensional geometric shape

• The total area occupied by the surfaces of an object

Answer explanation

The total area occupied by the surfaces of an object is called its surface area.

The space covered by the figure or any two-dimensional geometric shape, in a plane, is the area of the shape.

The perimeter of a shape is defined as the total distance around the shape.

What is the volume of a cylinder with a base area of 16 pi cm^2 and height 8 cm?

• 32 pi cm^3

• 64 pi cm^3

• 256 pi cm^3

• 128 pi cm^3

Tags

CCSS.8.G.C.9

CCSS.HSG.GMD.A.3

What is the formula for th circumfrence of a circle?

• πr + 2r

• πr

• πr²

• 2πr

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 4 cm?

• 12 pi cm

• 8 pi cm

• 4 pi cm

• 16 pi cm

Tags

CCSS.7.G.B.4

What is the total surface area of the cylinder described?

• 128 pi cm^2

• 64 pi cm^2

• 32 pi cm^2

• 96 pi cm^2