In a rectangular park having a length of 45m and width of 18m, four corners of 3² m are demarcated for planting trees. Find the area of the park that can be used by the children for playing.
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Given: In a rectangular park having a length of 45m and width of 18m, four corners of 3² m are demarcated for planting trees.
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As there are four square corners of 3² m are demarcated for planting trees.
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→ Area of four square corners = 4 × 3²
→ Area of four square corners = 4 × 9
→ Area of four square corners = 36 m²
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Now, we have length and breadth of the park i.e.,
- Length = 45m
- Breadth = 18m
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→ Area of park = Length × Breadth
→ Area of park = 45 × 18
→ Area of park = 810 m²
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Since we have to find the area of park that can be used by children for playing.
The required area will be the area except the four corners.
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•°• Required area = Area of park - Area of four corners
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→ Required area = 810 - 18
→ Required area = 792 m²
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Hence,
- Area of park that can be used by children for playing is 792m².
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