Examples with solutions for Area of a Parallelogram: Using external height

Exercise #1

ABCD is a parallelogram.

BE is its external height.

DC = 7 cm
BE = 4 cm

Calculate the area of the parallelogram.

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Video Solution

Answer

28 cm²

Exercise #2

ABCD is a parallelogram.

BE is its external height.

AD = 3 cm
BE = 6 cm

Calculate the area of the parallelogram.

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Video Solution

Answer

18 cm²

Exercise #3

Look at the parallelogram ABCD.

The area ABCD is 60 cm².
AD=8 AD=8

Calculate the height of ABCD.

S=60S=60S=60888AAABBBCCCDDD

Video Solution

Answer

7.5