Circumference and Area

Find the area of this Semicircle with a diameter of 18 cm

• 254.34 cm
• 127.17 cm
• 56.52 cm
• 28.26 cm

Tags

CCSS.7.G.B.4

If the word problem is asking you to find the space inside the circle, which formula should you use?

• r = d/2
• d = 2r
• C = πd
• A = πr²

Tags

CCSS.7.G.B.4

If the problem ask you to find the distance around a circle, which formula should you use?

• r = d/2
• d = 2r
• C = πd
• A = πr²

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 diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

Tags

CCSS.7.G.B.4

What is the circumference?

• 48
• 96
• 24
• 18

Tags

CCSS.7.G.B.4