Scaling and Areas

The volume of the pyramid was originally 100 liters, but it was dilated with a k=3. What is the new volume?

• 2700 liters

• 900 liters

• 300 liters

• 100 liters

What is the area of the base in square units?

• 122.46 mi²
• 122. 45 mi²
• 175.84 mi²
• 175.85 mi²

Find the area.

• 60 in

• 60 in²

• 50 in

• 50 in² 

If the ratio of 2 round dinner plates is 2:5, what is the ratio of their areas?

• 2:5

• 1:5

• 4:10

• 4:25

An envelope from the post office is 3 inches wide with a total area of 30 square inches. What is the height of the envelope?

• 12 in

• 14 in

• 10 in

• 8 in

Determine the area of the composite figure shown below.

• 168 centimeters squared 

• 98 centimeters squared 

• 84 centimeters squared 

• 70 centimeters

What is the area of the shaded region?

• 625

• 134.375

• 490.87

• 228.4

When going from the ratio of perimeters to the ratio of areas, you...

• square it.

• cube it.

• square root it.

• cube root it.

Find the ratio (red to blue) of the area.

• 11/6

• 6/11

• 121/36

• 36/121