Area of a trapezoid - Mathematics knowledge point

Core concepts

Formulas

= \frac{(

+

)\,

}{2}

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Substitute numbers

a

=4 $\text{cm}$

b

=8 $\text{cm}$

h

=5 $\text{cm}$

\begin{aligned}(4 + 8) \times 5 \div 2 &= 30\ \text{cm}^2\end{aligned}

Worked example

Example

Solution

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Worked examples

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Quantities in the formula

=

(a

+

b)

\times

\div

2

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Answer

!

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Exercises

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Prerequisites

Area of a triangle9 min

Practice set

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