Q 1: Area of a circle: pi*r^{2} pi*r 2*pi*r^{2}

Q 2: Area of a semicircle: 1/2*(pi*r^{2}) 2*pi*r pi*r^{1}

Q 3: Circumference of a semicircle: pi*r^{2} pi*r pi*r + 2*r

Q 4: Perimeter of a square: a^{2} 4a lb

Q 5: Area of triangle: 1/2 bh lb 4a

Q 6: Area of a rectangle: a^{2} lb 4a

Q 7: Diamater of a circle: 2(l+b) 2*pi*r 2r

Q 8: Perimeter a rectangle: 2(l+b) lb a^{2}

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

