Question

Four cows are tethered with ropes of equal lengths at 4 corners of a square field of side 35 metres so that they just can reach one another. Find the area left ungrazed by the cows.

Answer 1

Step-by-step explanation:

Let the side of square is a.

a=25+25=50m

⇒ Area of square =a

2

=(50)

2

=2500m

2

⇒ Area of quadrant inside square =

4

1

πr

2

=

4

1

×

7

22

×(25)

2

∴ Area of quadrant inside square =491.70m

2

⇒ Area of shaded region = Area of square - 4× Area of quadrant.

⇒ Area of shaded region =2500−4×491.07

∴ Area of shaded region =2500−1964.28=535.71m

2

Answer 2

Answer:

535.71m

Step-by-step explanation:

answer is 535.71m