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Area of Trapezoid


Objective: I know how to calculate the area of a trapezoid.

Given that side b1 is parallel to side b2 and h is the vertical height between b1 and b2, the area of the trapezoid is given by the formula:

A =

Read the lesson on area of trapezoid if you need to learn how to calculate the area of a trapezoid.


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 each trapezoid.
(Remember to include the relevant square unit in your answer)

height = 24 m
b1 = 19 m
b2 = 24 m
area =

height = 24.3 mm
b1 = 9.9 mm
b2 = 15.1 mm
area =

height = 21 m
b1 = 10 m
b2 = 5 m
area =

height = 7 mm
b1 = 19 mm
b2 = 26 mm
area =

height = 24.8 cm
b1 = 24.2 cm
b2 = 5.4 cm
area =

height = 29.7 mm
b1 = 10.2 mm
b2 = 16.8 mm
area =

height = 28 m
b1 = 21 m
b2 = 11 m
area =

height = 26 mm
b1 = 27 mm
b2 = 21 mm
area =

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