Test 2

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

• 40 ft
• 35 ft
• 55 ft
• 69 ft

Find the surface area of the figure. (The top is open to the pyramid.) Round to the nearest tenth if necessary.

• 20 yd^2

• 36.9 yd^2

• 28.9 yd^2

• 32.9 yd^2

Find the area of the regular polygon.

• 122 ft²

• 27.7 ft²

• 124.7 ft²

• 363.2 ft²

A cone has been hollowed out of this cube. Determine the surface area of the remaining cube. Round answer to the nearest whole number. DO NOT INCLUDE UNITS IN YOUR RESPONSE, just the numerical response. (3 mark question).

Find the surface area of the square pyramid.

• 15 square meters
• 39 square meters
• 69 square meters
• 30 square meters

Find the volume of the composite solid.
Use 3.14 for pi.

• 188.4 m³
• 753.6 m³

Find the volume of the following shape.

(What two solids are being added together??)

• 4155.27 m³

• 1038.82 m³

• 804.24 m³

• 1005.31 m³

If the radius of the base of a right circular cylinder is halved keeping the same height then the ratio of the volume of the cylinder thus obtained to the volume of original cylinder is

• 1:2

• 1:4

• 1:6

• 1;8

If the radius of the base of a cone is tripled and the height is doubled then the volume is

• Made 6 times

• Maid 18 times

• Made 12 times

• Unchanged