Friday Test, Jan 17th

What is the area of this circle?

• 6082.12
• 1520.53
• 1893.14
• 1292.92

A Circle has a radius of 6 inches.  What is the circumference of the circle?

• 9.42 in

• 18.84 in

• 37.68 in

• 113.04 in 

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock? Use 3.14 for Pi.

• 86.70 meters

• 76.66 meters

• 66.66 meters

• 96.66 meters

The figure shows a circle inside of a square. Find the area of the circle. Use 3.14 to approximate for pi.

• 50.24 $ft^2$

• 200.96 $ft^2$

• 64 $ft^2$

• 157.75 $ft^2$

A ball has a circumference of 9.42 cm. What is the diameter?

• 29.5788 cm
• 59.1576 cm
• 3 cm
• 1.5 cm

A cruise ship has a large, circular window. It has a diameter of 6 meters. How many square meters of glass is the window made of?

HINT: use AREA formula

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.27 m²

What is the area of a circle with a diameter of 12cm?

• 452.39cm²
• 139.12cm²
• 113.1cm²
• 84.23cm²

Danielle wants to make a cookies for 3 friends. The radius of a cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?

• 47.1 in²
• 235.5 in²
• 78.5 in²
• 15.7 in² 

Find the area.

• 1017.9in²

• 88.8in²

• 28.3in²

• 254.5in²

what is the area of this semicircle ?
d = 8 cm 

• 100.48 cm²
• 80 cm²
• 200.96 cm²
• 25.12 cm²