Circles: Vocab, Area, Circumf, Arc Length & Central Angles

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

Tags

CCSS.7.G.B.4

What is the area of a circle with the diameter of 10cm ?

• 66 sq cm

• 78.5 sq cm

• 66.5 sq cm

• 10 sq m

Tags

CCSS.7.G.B.4

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

what is the area of this semicircle ?

• 100.48cm²
• 80cm²
• 200.96cm²
• none of the above

Tags

CCSS.7.G.B.4

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

Tags

CCSS.7.G.B.4

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

Tags

CCSS.7.G.B.4

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

• Radius
• Diameter

Which segment is the chord?

• AC

• BD

• LM

• CE

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm

Tags

CCSS.7.G.B.4