Browse Questions

# The area (in square units) of the circle which touches the lines $4x+3y=15$ and $4x+3y=5$ is :

$\begin {array} {1 1} (1)\;4 \pi & \quad (2)\;3 \pi \\ (3)\;2 \pi & \quad (4)\;\pi \end {array}$

(4) $\pi$