Trigonometry
Inverse Trigonometric Functions
MCQ (Single Correct Answer)Subjective
1
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
If in a $$\Delta$$ABC, AD, BE and CF are the altitudes and R is the circumradius, then the radius of the circumcircle of $$\Delta$$DEF is
A
$${R \over 2}$$
B
$${2R \over 3}$$
C
$${R \over 3}$$
D
None of these
Questions Asked from MCQ (Single Correct Answer)
WB JEE Subjects