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

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

Q 3: Circumference of a circle: pi*r^{2} 2*pi*r 2*pi*d

Q 4: Area of a semicircle: 1/2*(pi*r^{2}) 2*pi*r pi*r^{1}

Q 5: Area of a circle: 2*pi*r^{2} pi*r pi*r^{2}

Q 6: Area of square: a^{2} 2(l+b) 4a

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

Q 8: Perimeter of a square: lb 4a a^{2}

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

