Quiz about Circles...Radius and Diameter

Question 1

What is the diameter?

Accepted Answer

16

Answer

8

Answer

10

Answer

4

Question 2

What is the radius?

Accepted Answer

18

Answer

72

Answer

38

Answer

14

Question 3

What is the diameter?

Accepted Answer

10 in

Answer

5 in

Answer

3.14 in

Answer

15.84 in

Question 4

Is the red line a radius or diameter of the circle?

Accepted Answer

Radius

Answer

Diameter

Question 5

What is the diameter?

Accepted Answer

16

Answer

8

Answer

10

Answer

4

Question 6

What is the radius?

Accepted Answer

18

Answer

72

Answer

38

Answer

14

Question 7

What is the diameter of a circle with a radius of 5.5 cm?

Accepted Answer

11 cm

Answer

5.5 cm

Answer

2.25 cm

Answer

A:LKFJ:LSKFJ

Question 8

Find the radius of a circle who's diameter is 40 ft.

Accepted Answer

20ft

Answer

40ft

Answer

80ft

Answer

45ft

Question 9

Which of the following is a radius of the circle?

Accepted Answer

DA

Answer

GE

Answer

HI

Answer

FG

Question 10

Find the radius of a circle who's diameter is 40 ft.

Accepted Answer

20ft

Answer

40ft

Answer

80ft

Answer

45ft

Question 11

If the diameter of a circle is 10 cm, the radius is 5 cm.

Accepted Answer

TRUE

Answer

FALSE

Question 12

If the radius of a circle is 7 m, the diameter is 3.5 m.

Accepted Answer

FALSE

Answer

TRUE

Question 13

The distance halfway across the circle is called the...

Accepted Answer

radius

Answer

diameter

Answer

circumference

Answer

area

Question 14

The distance from the center of the circle to any point on the circle is called the...

Accepted Answer

radius

Answer

diameter

Answer

circumference

Answer

area

Question 15

The distance across the circle through the center is called the...

Accepted Answer

diameter

Answer

radius

Answer

circumference

Answer

area

Question 16

The circumference of a circle is

Accepted Answer

The measurement around the circle

Answer

The measurement from an edge of a circle to another edge.

Answer

The measurement from an edge of a circle to another edge going through the center

Answer

The measurement from the center of the circle to an edge of the circle

Question 17

Does this picture show the diameter or radius of a circle?

Accepted Answer

Diameter

Answer

Radius

Question 18

Does this picture show the diameter or radius of a circle?

Accepted Answer

Radius

Answer

Diameter

Question 19

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

Accepted Answer

18.84 m

Answer

3 m

Answer

9.42 m

Answer

12 m

Question 20

The circumference of a circle is

Accepted Answer

The measurement around the circle

Answer

The measurement from an edge of a circle to another edge.

Answer

The measurement from an edge of a circle to another edge going through the center

Answer

The measurement from the center of the circle to an edge of the circle

Question 21

The radius is....

Accepted Answer

a line from the center point to the edge of the circle

Answer

a line that crosses through the center and touches each edge

Answer

the center point of a circle

Answer

an element in science

Question 22

What is the radius of this circle?

Accepted Answer

6cm

Answer

12cm

Answer

24cm

Answer

3cm

Question 23

The distance across a circle through its center.

Accepted Answer

Diameter

Answer

Arc

Answer

Circumference

Answer

Pi

Circles...Radius and Diameter

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