Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
The angle between a pair of tangents from a point
P
P
P
to the circle
x
2
+
y
2
=
16
x^2 + y^2 = 16
x
2
+
y
2
=
16
is
π
3
\frac{\pi}{3}
3
π
and locus of
P
P
P
is
x
2
+
y
2
=
r
2
x^2 + y^2 = r^2
x
2
+
y
2
=
r
2
, then value of
r
r
r
is a. 5 b. 6 c. 7 d. 8
Browse the problem library