Chapter 12 B

Find the circumference of the circle. (Use π= 3.14 and rounded to nearest tenth)

• The circumference is 150 in

• The circumference is 31.4 in

• The circumference is 78.5 in

• The circumference is 15.7 in

The area of a circle is 284.23 ft². Find its radius. (Use π= 3.14 and rounded to 3 significant digits)

• The radius is 9.51 ft

• The radius is 90.5 ft

• The radius is 20.5 ft

• The radius is 14 ft

Find the area of the circle. (Use π = 3.14 and round the answer to nearest tenth)

• The Area is 100.5 cm².

• The Area is 803.8 cm².

• The Area is 50.2 cm².

• The Area is 150.6 cm².

Find the area of a circle. (Use π = 3.14 and rounded to 3 significant digits)

• The area is 1243 mm².

• The area is 125 mm².

• The area is 315 mm².

• The area is 1240 mm².

If the rim radius of a wheel of a vehicle is 7.0 in., what is its circumference? (Use π= 3.14 and rounded to nearest tenth)

• The circumference is 44.0 in

• The circumference is 43.9 in

• The circumference is 153.9 in

• The circumference is 445.6 in

Find the circumference of the circle. (Use π= 3.14 and rounded to nearest tenth)

• The circumference is 62.8 in

• The circumference is 12.5 in

• The circumference is 125.6 in

• The circumference is 31.40 in

If the rim diameter of a wheel of a vehicle is 14.0 in., what is its circumference? (Use π= 3.14 and rounded to nearest tenth)

• The circumference is 44.0 in

• The circumference is 43.9 in

• The circumference is 153.9 in

• The circumference is 445.6 in

The lateral surface area of the following prism [ L.S.A = Ph] P=Perimeter of the base. h= prism height.

• 150 cm².

• 343 cm².

• 294 cm².

• 256 cm².

The total surface area of the following prism [ T.S.A = Ph + 2B) P=Perimeter of the base. B=Base area, h= prism height.

• 150 m².

• 343 m².

• 294 m².

• 196 m².

Find the volume of prism. [ V = Bh ]. B=Base area. h= prism height.

• V=512 cm³.

• V=124 cm³.

• V=125 cm³.

• V=152 cm³.