lec circle angle

Quick check: The circumference describes the

• space inside the circle

• distance around the circle (perimeter)

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Which of these do I need to find the area of a circle?

• Diameter

• Radius

• Circumference

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

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

• 66cm
• 78.5cm
• 66.5cm
• 10m

What is the diameter?

(do not find circumference)

• 8

• 16

• 10

• 4

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

• 28 cm
• 43.96 cm
• 87.96 cm
• 7 cm

What is the area of a circle with diameter of 8.

• 200.96

• 50.24

• 25.12

• 12.56

To go from diameter to radius, what do I need to do?

• divide by 3.14
• multiply by 3.14
• multiply by 2
• divide by 2

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees