2-3-4

Find the area of a triangle with a base of 10 meters and a height of 12 meters. a.60 m b.60 m2 c.120 m2 d.120 m3

b.60 m2

An Electrical Worker is preparing a hole to set an underground transformer vault. The hole is 12 feet wide by 18 feet long. The job specifications require the vault to be set on top of 3/4 inch rock, 18 inches thick. If the rock weighs 225 pounds per cubic yard, how much will the rock weigh for this job? a.1,800 lbs b.2,700 lbs c.8,100 lbs d.2.7 tons

B. 2,700 lbs

Area is measured in square units, and volume is measured in ? units. a.base b.cubic c.metric d.standard

B. Cubic

When the dimension of height is added to a circle, the resulting three dimensional figure is called a ? . a.cone b.cylinder c.prism d.sphere

B. Cylinder

Surface area measures only the sides of a three dimensional figure. Select one: True False

False

The lateral area of a solid figure is the measurement of the area of the bases of that figure. Select one: True False

False

A solid figure has three dimensions and occupies space. Select one: True False

True

A normal concrete slab that does not have any bearing walls or heavy equipment on top of it is poured six inches thick. How much concrete is needed if the slab is 16 feet by 16 square feet? a.4.74 yd3 b.7.11 yd3 c.14.22 yd3 d.56.89 yd3

a.4.74 yd3

What is the surface area of a sphere with a diameter of five inches? a.78.5 in.2 b.98.6 in.2 c.125.6 in.2 d.314.0 in.2

a.78.5 in.2

Give the formula for finding the area of a square a.A = Bh b.A = Bw c.A = Bl d.A = bh

a.A = Bh

Surface area and ? area are the two measurements of area of a three dimensional figure. a.lateral b.longitudinal c.proportional d.spatial

a.lateral

A tarp is needed to cover a piece of equipment delivered to the job site. Workers at the site determine that a 30-foot by 30-foot tarp will do the job. How many square yards will this tarp cover? a.60 yd2 b.100 yd2 c.120 yd2 d.300 yd2

b.100 yd2

An Electrical Worker is pouring concrete bases for steel transmission towers. He is using four foot round tubing for the bases, and the depth of the bases are eight feet. How much concrete will be needed to pour four bases? a.5.84 yd3 b.14.89 yd3 c.44.66 yd3 d.59.56 yd3

b.14.89 yd3

Find the area of a rectangle six centimeters by nine centimeters. a.54 cm b.54 cm2 c.54 cm3 d.27 cm2

b.54 cm2

Find the area of a triangle with a base of three inches and a height of four inches. a.12 in. b.6 in.2 c.6 in.3 d.24 in.2

b.6 in.2

How many cubic yards of concrete would be required to pour a transformer pad 20 feet by 15 feet by 12 inches thick? a.6.67 yd3 b.8.89 yd3 c.11.11 yd3 d.133.33 yd3

c.11.11 yd3

Find the area of a parallelogram with a base of 11 centimeters, an adjacent side of seven centimeters, and a height of six centimeters. a.33 cm2 b.42 cm2 c.66 cm2 d.77 cm2

c.66 cm2

Give the formula for finding the volume of a cylinder. a.V = πrh2 b.V = π2rh c.V = πr2h d.V = πbh

c.V = πr2h

How many square inches are there in a square foot? a.48 in.2 b.96 in.2 c.120 in.2 d.144 in.2

d.144 in.2

The entire interior of a storage shed (walls, ceiling, and floor) must be painted. The storage shed is 60 meters long, 20 meters wide, and 12.5 meters high. If a gallon of paint covers 30 square meters, how much paint is needed to complete the job? a.73.33 gal b.106.67 gal c.113.33 gal d.146.67 gal

d.146.67 gal

How many cubic feet are in a cubic yard? a.3 ft3 b.6 ft3 c.18 ft3 d.27 ft3

d.27 ft3

A tensioner air pressure gauge shows 32 psi while wire is being pulled in. The brake pad on the tensioner bull wheel is 12 inches by 15 inches. What is the total amount of pressure in pounds being applied to the brake pad? a.1,728 lbs b.2,880 lbs c.4,140 lbs d.5,760 lbs

d.5,760 lbs

What is the formula for finding the area of a rectangle? a.A = 1/2bh b.A = b × w c.A = l × b d.A = bh

d.A = bh

Give the formula to find the lateral area of a rectangular prism. a.LA = b2h b.LA = lwh c.LA = p2h d.LA = ph

d.LA = ph

In a prism or a cylinder, the height is the distance between the two bases and is ? to the bases. a.congruent b.diagonal c.parallel d.perpendicular

d.perpendicular