Symmetric Angles

3293.5

Explanation:

Length of rectangular field =

L = 70 m

Breadth of rectangular field =

B = 52 m

So, Area of the field =

L \times B = 70 \times 52 = 3640

Area of the field is

3640

And,
Area it can graze = Area of quadrant of radius

21 m = $ \displaystyle \dfrac{1}{4}$ \times $ \displaystyle \dfrac{22}{7}$ \times 21 \times 21 = 346.5

Area not available for grazing = (Area of the field) – (Area of quadrant of radius

21 m)

= 3640 - 346.5 = 3293.5

Thus,

3293.5

area is left ungrazed.

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