Circles 7th grade

What Is circumference?

• the area of a circle

• the distance around the edge of a circle

• half of the diameter

• a line that goes straight across the circle

What formula do you use to find the AREA of a circle?

• L x W

• 2 x R

• π R²

• 2 π R

Tags

CCSS.7.G.B.4

If a circle has a diameter of 10 cm, What is the area of the circle? Use 3.14 for π. Round your answer to the nearest tenth.

• 78.5 cm²

• 31 cm²

• 78.5 cm

• 31.4 cm²

Tags

CCSS.7.G.B.4

What is diameter?

• double the radius

• a line that goes straight down the circle

• all of the above

Tags

CCSS.HSG.C.A.2

Click all the answers that represent pi

• pie

• π

• 3.14

Tags

CCSS.HSG.GMD.A.1

If the radius of a circle is 13, then what is the circumference? Use π to represent pi in your answer

• 169π

• 81.64

• 81π

• 26π

Tags

CCSS.7.G.B.4

If the diameter of a circle 5.5 ,what is the circumference? Use π to represent pi in your answer.

• 11π

• 7.5π

• 5.5π

• 17.2

Tags

CCSS.7.G.B.4

What is radius?

• a line that goes from the middle of the circle to the perimeter of the circle

• a line that goes straight down the circle

• the amount of space inside the circle

• the distance around the circles edge

What formula is use to find the circumference?

• 2 π R

• π R²

• L x W

• 2 x R

Tags

CCSS.7.G.B.4

If a circle has a radius of 7 , what is the area of the circle? Use 3.14 to represent π. Round your answer to the nearest TENTH!

• 49π

• 49

• 153.86

• 153.8

Tags

CCSS.7.G.B.4