[" 4.The area of the circle centred at "],[" (1,2) and passing through "(4,6)" is "],[" 9pi sq.u "],[" "16" pi sq.u "],[" 25.pi sq.u "],[" 36pi sq.u "]

[" The area bounded by "],[y=(1)/(x^(2)-2x+2)" and "x" -axis is "],[0 pi" sq units "],[[(pi)/(2)" sq units "],[" 2sq units "],[pi" sq units "]]

The area of a circle whose area and circumference are numerically equal, is (a) 2pi sq. units (b) 4pi sq. units (c) 6pi sq. units (d) 8pi sq. units

The area of a circle whose area and circumference are numerically equal, is (a) 2pi sq. units (b) 4pi sq. units (c) 6pi sq. units (d) 8pi sq. units

The area of a circle is 36 pi sq. m Find its circumference.

If the area of a circle is 9pi sq. cm then its circumference is

The area of the region bounded by x^(2)+y^(2)-2x-3=0 and y=|x|+1(pi)/(2)-1 sq.units (b) 2 pi sq. units 4 pi sq. units (d) (pi)/(2) sq.units

The area of the region containing the points (x,y) satisfying 4<=x^(2)+y^(2)<=2(|x|+|y|) is 8 sq.units (b) 2 sq.units 4 pi sq. units (d )2 pi sq. units

The area of the triangle formed by the points P(0,1), Q(0,5) and R(3,4) is (a) 16 sq. units (b) 8 sq. units (c) 4 sq. units (d) 6 sq. units

The area of the triangle formed by the points P(0,1), Q(0,5) and R(3,4) is (a) 16 sq. units (b) 8 sq. units (c) 4 sq. units (d) 6 sq. units

[" The area of the region "],[" bounded by the curve "],[y=(1)/(1+(tan x)^(1/2))" and the "x" -axis "],[" between the ordinates "x=(pi)/(6)],[" and "x=(pi)/(3)" is "(pi)/(k)" sq units "],[" then "k=]