This chapter is currently out of syllabus
1
JEE Main 2019 (Online) 11th January Morning Slot
+4
-1
Out of Syllabus
In a triangle, the sum of lengths of two sides is x and the product of the lengths of the same two sides is y. If x2 – c2 = y, where c is the length of the third side of the triangle, then the circumradius of the triangle is :
A
$${y \over {\sqrt 3 }}$$
B
$${c \over 3}$$
C
$${c \over {\sqrt 3 }}$$
D
$${3 \over 2}$$y
2
JEE Main 2019 (Online) 10th January Evening Slot
+4
-1
Out of Syllabus
With the usual notation, in $$\Delta$$ABC, if $$\angle A + \angle B$$ = 120o, a = $$\sqrt 3$$ $$+$$ 1, b = $$\sqrt 3$$ $$-$$ 1 then the ratio $$\angle A:\angle B,$$ is :
A
9 : 7
B
7 : 1
C
5 : 3
D
3 : 1
3
JEE Main 2018 (Offline)
+4
-1
Out of Syllabus
Let the orthocentre and centroid of a triangle be A(-3, 5) and B(3, 3) respectively. If C is the circumcentre of this triangle, then the radius of the circle having line segment AC as diameter, is :
A
$${{3\sqrt 5 } \over 2}$$
B
$$\sqrt {10}$$
C
$$2\sqrt {10}$$
D
$$3\sqrt {{5 \over 2}}$$
4
AIEEE 2012
+4
-1
Out of Syllabus
In a $$\Delta PQR,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu}$$ If $$3{\mkern 1mu} \sin {\mkern 1mu} P + 4{\mkern 1mu} \cos {\mkern 1mu} Q = 6$$ and $$4\sin Q + 3\cos P = 1,$$ then the angle R is equal to :
A
$${{5\pi } \over 6}$$
B
$${{\pi } \over 6}$$
C
$${{\pi } \over 4}$$
D
$${{3\pi } \over 4}$$
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