Geo Final

How do you find the AREA of a TRIANGLE?

• Length x Width
• 1/2 (base x height)
• 1/3 (base x height)
• Base x Height

Find the area of this triangle.

• 20 cm²
• 35 cm²
• 40 cm²
• 17.5 cm²

Calculate the area of this shape

• 84cm²
• 84cm
• 38cm
• 38cm²

How do you find the area of a rectangle?

• Length + Length + Length + Length
• Length + Width
• Length x Width
• Width x Width

Compare these two rectangles.

A: 4 by 5

B: 10 by 2

• they have the same perimeter

• the widths are the same

• the side lengths are the same

• they have the same area

What is this formula used to find?
V=πr²h

• The volume of a cylinder
• The volume of a cone
• The volume of a sphere
• The area of a circle

A dilation produces a similar figure

• True

• False

When the scale factor of a dilation is less than one, the dilation is a reduction (gets smaller).

• True

• False

A dilation is which of the following:

• an enlargement

• a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it