CAT 1998 Question Paper Question 54
Instructions
Answer the questions based on the following information. A cow is tethered at point A by a rope. Neither the rope nor the cow is allowed to enter ΔABC.
∠BAC = 30°
I(AB) = I(AC) = 10 m
Question 54
What is the area that can be grazed by the cow if the length of the rope is 8 m?
Solution
Area grazed by cow will be = (circle passing through P and Q) - (Area of circle inside the triangle)
= $$\pi r^2 - \frac{\pi r^2}{12}$$ = $$\frac{176\pi}{3}$$
Area grazed by cow will be = (circle passing through P and Q) - (Area of circle inside the triangle)
= $$\pi r^2 - \frac{\pi r^2}{12}$$ = $$\frac{176\pi}{3}$$
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Comments
Mayank Shekhar
2 years, 5 months ago
Explain it briefly so that anyone can understand it easily..
Himanshu jacker
3 years, 3 months ago
Bad solution I am not satisfying