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Rani bought a new field that is next to one she already owns (Fig.). This field is in the shape of a square of side 70m. She makes a semi circular lawn of maximum area in this field. (i) Find the perimeter of the lawn. (ii) Find the area of the square field excluding the lawn. ​

Respuesta :

terezkakovalova07

Answer:

1 = 440

2 = 4900cm^{2}

Step-by-step explanation:

square = 280cm perimeter and [tex]4900cm^{2}[/tex] area

semi circle would have radius = 70cm

perimeter of semi circle = [tex]\frac{pi X diameter}{2}[/tex]

pi x (70x2) = 440cm

but if its with the square it would be 650cm

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