Lateral Area of Cones

Surface Area and Lateral Area of Pyramids and Cones

Slant Height

slant height - the distance measured along the lateral face from the top of the pyramid to the edge of the base.

Lateral Area and Surface Area of Pyramids

Multiple Choice

What is the lateral area of the Square Pyramid?

• 384 cm²

• 256 cm²

• 640 cm²

• 28 cm²

Multiple Choice

Find the lateral area (LA) for this figure.

• 140 in²

• 330 in²

• 70 in²

• 420 in²

Multiple Choice

Find the surface area of the figure.

Round your answer to the nearest hundredth. (Hint: you'll have to use Pythagorean Theorem to find the slant height)

• 2,400 $$ft^2$$

• 1,200 $$ft^2$$

• 1,560 $$ft^2$$

• 18,000 $$ft^2$$

Multiple Choice

$$SA=\frac{Pl}{2}+Ph+B;\ B=s^2,\ \left(l=Slant\ height\right)$$   Find the total surface are of the following figure.

• SA=480

• SA=256

• SA=160

• SA=544

Multiple Choice

What is the 3-D shape for the net above?

• Cone

• Pyramid

• Cylinder

Lateral and Surface Area of a Cone

A cone has a slant height of 23.4 in and a diameter of 16 in. What is the surface area of the cone?

Multiple Choice

Find the surface area of the figure.

Round your answer to the nearest hundredth.

• 542.87 $$mm^2$$

• 271. 44 $$mm^2$$

• 221.06 $$mm^2$$

• 442.12 $$mm^2$$

Multiple Choice

Find the lateral area and surface area of the figure. Round your answers to the nearest tenth, if necessary.

• 203.4 m²; 297 m²

• 37.7 m²; 50.3 m²

• 50 m²; 75 m²

• 150 m²; 254.5 m²

Multiple Choice

$$SA=\pi rl+2\pi rh+\pi r^2;\ \left(l=slant\ height\right)$$  

• SA=200.96

• SA=602.88

• SA=427.04

• SA=1,230.88