SECTION-4 : (Maximum Marks : 12)
• This section contains TWO (02) paragraphs.
• Based on each paragraph, there are TWO (02) questions.
• The answer to each question is a NUMERICAL VALUE.
• For each question, enter the correct numerical value of the answer using the mouse and the onscreen virtual numeric keypad in the place designated to enter the answer.
• If the numerical value has more than two decimal places, truncate/round-off the value to TWO decimal places.
• Answer to each question will be evaluated according to the following marking scheme:
Full Marks : +3 If ONLY the correct numerical value is entered in the designated place;
Zero Marks : 0 In all other cases.
PARAGRAPH "I"
Consider on obtuse angled triangle ABC in which the difference between the largest and the smallest angle is 
and whose sides are in arithmetic progression. Suppose that the vertices of this triangle lie on a circle of radius 1.
(There are two questions based on PARAGRAPH "I", the question given below is one of them)
Let a be the area of the triangle ABC. Then the value of (64a) 2 is
Text Solution
Verified by Experts1008.00
(1008.00)
A
..(1)
n + d = 2 sin 
n + d = 2 cos 
....(2)
n = 2sin 
...(3)
2 cos2 
= sin 
+ cos 
2(cos 
- sin 
) = 1
Then, 
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