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Area of Parallelogram and Triangle

Objective: I know how to calculate the area of parallelogram and triangle.

To find the area of a parallelogram, we multiply the base by the height. The height of a parallelogram is always perpendicular to the base.

Area = bh

A triangle has half the area of a parallelogram with the same base and height. The formula for area of triangle is

Area =

Read the lessons on area of parallelogram and area of triangle if you need to learn how to calculate the area of a parallelogram or triangle.


Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Find the area of the parallelogram or triangle.
(Remember to include the square units in your answer)

base = 6 ft
height = 12 ft
area of parallelogram =

base = 16 mm
height = 5 mm
area of triangle =

base = 7 m
height = 24 m
area of triangle =

base = 11 in
height = 9 in
area of parallelogram =

base = 60 cm
height = 7 cm
area of triangle =

base = 10 ft
height = 45 ft
area of parallelogram =

base = 13 m
height = 8 m
area of parallelogram =

base = 42 in
height = 9 in
area of triangle =

base = 6 cm
height = 52 cm
area of parallelogram =

base = 50 mm
height = 20 mm
area of triangle =

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