Area and Perimeter

What is the formula for the area of a triangle?

• A=bh

• A=lw

• A=s²

• A=1/2(bh)

What is the formula for the area of a parallelogram?

• A=bh

• A=lw

• A=s²

• A=1/2(bh)

How do you find the diameter of a circle

• Multiply by pi

• Multiply the radius by 2

• Divide the radius by 2

• It's impossible...

How do you find the radius of a circle?

• Divide the diameter by 2

• Multiply the diameter by 2

• Divide by pi

• Cry....

What is the approximate value of pi?

• No one knows

• 3.14

• 1

• 6.28

What is the area of the rectangle?

• 15 cm2

• 8 cm2

• 2 cm2

• 16 cm

The space inside an 2-D object is called its ____________________.

• area

• perimeter

• volume

• circumference

Find the area of the square.

• 49 mi²

• 28 mi²

• 14 mi²

• 21 mi²

What is the area of a square with a side length of 4 cm?

• 1 cm2

• 16 cm2

• 8 cm2

• 2 cm2

When finding the area of a parallelogram, you should:

• Add the base and height, then divide by two

• Multiply the base and height, then divide by two

• Find the sum of the base and height

• Find the product of the base and height