Question

a park is in the shape of a parallelogram with sides AB-60 AD=50 DM=30 metres find the area of the parallelogram with a circular pond of radius 7m is constructed in the park find the area of the remaining part of a park

Answer 1

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$• GIVEN$

BASE OF PARALLELOGRAM = 60 CM

HEIGHT OF PARALLELOGRAM = 30CM

\begin{gathered}AREA \: \: OF \: \: PARK = (base) \times (height) \\ = (60) \times (30) \\ = 1800 \: \: {cm}^{2} \end{gathered}

RADIUS OF CIRCULAR POND = 7 CM

\begin{gathered}AREA \: \: OF \: \: POND = \pi \: {r}^{2} \\ \\ = \pi( {7}^{2} ) \\ \\ = \frac{22}{7} \times 7 \times 7 \\ \\ = 154 \: \: {cm}^{2} \end{gathered}

NOW AREA OF REMAINING PART

\begin{gathered}AREA \: \: OF \: \: REMAINING \: \: PART \\ =1800 - 154 \\ = 1646\end{gathered}