Question

diameter of the circular garden is 56m there is a 4.5m wide road around the garden find the area of the road​

Answer 1

Answer:

22/7 ×272.25

area of road=855.64m²

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Answer 2

Step-by-step explanation:

$solution \\ d = 42m \\ r = \frac{d}{2} \\ \\ width = 3.5m \\ radius \: of \: outer \: circle \: (r) = \\ radius(r) + width \: \\ 21 + 3.5 \\ = 24.5m \\ area \: of \: road \\ = area \: of \: outer \: - area \: of \: circular \: garden \: \\ = \pi{r}^{2} - \: \pi{r}^{2} \\ \pi( { r }^{2} \: - {r}^{2}) \\ \frac{22}{7} (24.5 + 21)(24.5 - 21) \\ \frac{22}{7} \times 45.5 \times 3.5 \\ = 22 \times 45.5 \times 0.5 \\ = 500.50 \: sqm \: \\ = therefore \: the \: area \: of \: the road \: is \: 500.50 \: sqm$

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