<p>The diagram below shows the design of a playground.  The design is formed by an un-shaded semi-circle with diameter $DE=8$ m enclosed within a trapezium $ABCD$. It is given that&nbsp;$AF=6$ m, $BC=12$ m and $CD=5$ m.</p>
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<p>Using $\pi $ as&nbsp;$\frac{22}{7}$, find the</p>
<ol class="abc-list"><li><div class="list-item-paragraph">area of the shaded region.</div></li><li><div class="list-item-paragraph">perimeter of the shaded region, given that the length of $AB$ is $7.8$ m.</div></li></ol>

The diagram below shows the design of a playground.  The design is formed by an un-shaded semi-circle with diameter $DE=8$ m enclosed within a trapezium $ABCD$. It is given that $AF=6$ m, $BC=12$ m and $CD=5$ m.

perimeter of the shaded region, given that the length of $AB$ is $7.8$ m.

Composite Area and Perimeter of a Playground Design

Composite Area and Perimeter of a Playground Design

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