Circles Area

Mrs. Apple just bought a new dinning room table. She needs to make a table cloth for decoration. What amount of fabric should she buy if the table has a diameter of 5 feet? Choose the equation that would best help solve this problem.

• C = π5

• C = (2)(π)(2.5)

• A = π x 5 x 5

• A = π x 2.5 x 2.5

Tags

CCSS.7.G.B.4

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2

• Divide the diameter by 2

• Add 2 to the diameter

• Subtract 2 from the diameter

Tags

CCSS.7.G.B.4

What formula is used to find the space 
"inside" a flat object?

• Circumference 

• Surface Area

• Area

• Volume

What does π equal?

• 3

• 3.14

• 3.2

• 21/7

Tags

CCSS.HSG.GMD.A.1

What is the area of this circle?

• 6082.12

• 1520.53

• 1893.14

• 1292.92

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 163.2

• 15.3

• 124.2

• 113.1

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 1256.64

• 31.41

• 314.16

• 123.12

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 15393.8

• 1248.12

• 5930.12

• 3848.45

Tags

CCSS.7.G.B.4

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be?

• 50.24 in.²

• 200.96 in²

• 12.56 in. ²

• 78.88 in^.2

Tags

CCSS.7.G.B.4

If the area of circle is 100 π , find the radius of the circle.

• 10 π

• 10

• 50

• 50 π

Tags

CCSS.7.G.B.4