Test Questions with Circles

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Grade 7 Circles

If the radius of the circle is 5 inches, what is the diameter?

1. 5 inches
2. 10 inches
3. 25 inches
4. 2 inches

Grade 7 Circles CCSS: 7.G.B.4

What is the approximate circumference of the circle if the radius is 6?

1. 38
2. 16
3. 94
4. 57

Grade 10 Circles CCSS: HSG-C.A.4

Which line segment is tangent to circle O?

1. `bar(AB`
2. `bar(AC`
3. `bar(AD`
4. `bar(AO`

Grade 7 Circles

Look at the circle. The line segment appears to be

1. an arc.
2. a perimeter.
3. a radius.
4. a diameter.

Grade 8 Circles

Line AB is what part of a circle?

1. circumference
2. radius
3. diameter
4. area

Grade 7 Circles CCSS: 7.G.B.4

The circle shown has a radius of 4 inches. Find the circumference of the circle using the formula C = 2`pi`r, where `pi` `~~` 3.14.

1. 6.28 in.
2. 25.12 in.
3. 12.56 in.
4. 8 in.

Grade 7 Circles CCSS: 7.G.B.4

Line AB is 14 inches long. What is the approximate area of this circle?

1. 42 square inches
2. 615 square inches
3. 160 square inches
4. 154 square inches

Grade 7 Circles CCSS: 7.G.B.4

What is the circumference of a circle, to the nearest foot, if the area of the circle is 16 `"ft"^2`?

1. 32 ft
2. 14 ft
3. 8 ft
4. 16 ft

Grade 7 Circles

Line segment AB is what part of this circle?

1. circumference
2. radius
3. diameter

Grade 7 Circles CCSS: 7.G.B.4

Which is a formula to find the area of the shape shown?

1. `2πr`
2. `πr^2`
3. `0.5 xx π`
4. `(πr^2)/2`

Grade 7 Circles CCSS: 7.G.B.4

Find the approximate circumference and area of this circle.

Diameter = 16.4 centimeters

1. 25.75 cm; 211.2 `cm`
2. 51.5 cm; 211.2 `cm^2`
3. 51.5 cm ; 211.2 `cm^3`
4. 25.75 cm ; 844.53 `cm^3`

Grade 7 Circles

If the diameter AB is 6 inches, what is the radius of the circle?

1. 2 in
2. 3 in
3. 4 in
4. 6 in

Grade 10 Pythagorean Theorem and Applications CCSS: HSG-SRT.C.8

In the circle pictured, `O` is the center of the circle and `bar{AD}` is tangent to the circle. If `AD = 5 \ "cm"` and `DO = 6.4 \ "cm"`, what is the length of the diameter of the circle, rounded to one decimal place? Hint: A line tangent to a circle is perpendicular to the radius of the circle at that point.

1. 2.4 cm
2. 4.0 cm
3. 8.0 cm
4. 16.2 cm

Grade 7 Circles

What is this measurement called?

1. Area
2. Circumference
3. Diameter
4. Radius

Grade 10 Circles

What can you tell about segment AB?

1. If AB were a part of a line it could be called a secant segment.
2. AB is a line segment.
3. All of the above
4. None of the above

Grade 10 Circles

If chord AB passes through the center of the circle, what is its name?

1. the radius
2. the diameter
3. the chord
4. the line segment
5. the midline

Grade 7 Circles CCSS: 7.G.B.4

The diameter of the circle shown is 20. Find the approximate area of the circle shown.

1. 413.00
2. 314.00
3. 3.14
4. 31.40

Grade 4 Three Dimensional Shapes

This could be the end of what 3-D shape?

1. cube
2. rectangular prism
3. cylinder
4. triangular prism

Grade 10 Circles CCSS: HSG-C.A.2

If a diameter is drawn perpendicular to the chord shown on this circle, it will bisect the chord and the arcs it defines.

1. True
2. False

Grade 10 Circles

In circle O, which is the chord?

1. AB
2. OD
3. AC
4. AO