State true or false. Area of a circle is inversely proportional to the radius of circle.
True
False
Area of a circle is directly proportional to the square of the radius of circle.
State true or false. If the radius of a circle is 7√π cm, then the area of the circle in cm2 is 49π2.
State true or false. The area in cm2 of a sector of a circle with radius 6 cm and angle of the sector 60∘ is 20.