Area and Circumference of Circles

Find the area of a circle with radius 3cm.

• 9 $\pi$    $cm^2$  

• 3 $\pi$    $cm^2$ 

• 6 $\pi$    $cm^2$ 

• 12 $\pi$    $cm^2$ 

Find the area of a circle with radius 5 cm.

• $5\pi\ cm^2$

• $10\pi\ cm^2$

• $15\pi\ cm^2$

• $25\pi\ cm^2$

Find the area of a circle with diameter 20 in

• $20\pi\ in^2$

• $100\pi\ in^2$

• $200\pi\ in^2$

• $500\pi\ in^2$

Find the area of a circle with diameter 12 in

• $2\pi\ in^2$

• $6\pi\ in^2$

• $12\pi\ in^2$

• $36\pi\ in^2$

What is the diameter

• 6 cm

• 9 cm

• 12 cm

• 15 cm

Area of circle?

• $9\pi\ ft^2$

• $2\pi\ yd^2$

• $5\pi\ ft^2$

• $10\pi\ yd^2$

Area of shaded section?

• $\pi\ m^2$

• $10\pi\ m^2$

• $20\pi\ m^2$

• $21\pi\ m^2$

Area of larger circle?

• $16\pi\ units^2$

• $64\pi\ units^2$

• $8\pi\ units^2$

• $10\pi\ units^2$

Area of smaller circle?

• $6\pi\ units^2$

• $5\pi\ units^2$

• $25\pi\ units^2$

• $25\ units^2$

Difference between areas of the circles?

• $20\pi\ units^2$

• $21\pi\ units^2$

• $39\pi\ units^2$

• $22\pi\ units^2$