Area of Triangles and Parallelogram

The area for a parallelogram with a base of 2 inches and a height of 4 inches is...

• 6 square inches

• 8 inches

• 6 inches

• 8 square inches

The amount of units inside a closed figure; it is measured in square units.

• altitude

• decomposition

• triangle formula

• area

area = base x height (A=bh)

• triangle formula

• altitude

• parallelogram formula

• decomposition

Area = 1/2 x base x height (A=1/2bh)

• triangle formula

• parallogram formula

• altitude

• decomposition

A triangle has an area of 117 cm². If the base is 26 cm, what is the height?

• 36 cm

• 18 cm

• 9 cm

• 4.5 cm

What will be the area of the identical triangles that can be formed from this parallelogram?

• Each triangle will have an area of 112 square meters.

• There is no way to determine the area of the triangles formed from the parallelogram.

• The area of each triangle will be 56 square meters divided by 2.

• The area of each triangle will be 56 square meters divided by 3.

Match the following!

• Not Enough

  Info To

  Solve

• TRIANGLE

  Base is 6 cm and a height that is half that amount!

• 27 sq cm

• RECTANGLE

  Length is 9 cm and the width is 7 cm less than that!

• 9 sq cm

• TRIANGLE

  All three sides are 10 cm each and the height is 12 cm!

• 60 sq cm

• PARALLELOGRAM

  Base is 3 cm and a height three times longer than that!

• 18 sq cm

• PARALLELOGRAM

  Base of 30 cm and another side that is 10 cm!

What will be the area of the identical triangles that can be formed from this parallelogram?

• Each triangle will have an area of 112 square meters.

• There is no way to determine the area of the triangles formed from the parallelogram.

• The area of each triangle will be 56 square meters divided by 2.

• The area of each triangle will be 56 square meters divided by 3.

The area formula for a parallelogram is the same as the formula for a ....

• triangle

• trapezoid

• rectangle

• polygon

True or false...The area of a parallelogram with a base of 4 cm and a height 6 cm = 24 cm.

• True

• False