If the radius of a circle is 8 cm then its diameter is ___.
12 cm
10 cm
4 cm
16 cm
Diameter = 2 × radius Radius = 8 cm Therefore diameter = 2 × 8 = 16 cm
If the diameter of a circle is 32 cm, its radius is equal to ___ .
In fig., PA is a tangent to a circle of radius 6 cm and PA = 8 cm, then length of PB is
From a point A, the length of a tangent to a circle is 8 cm and distance of A from the circle is 10 cm. The length of the diameter of the circle is