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

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

Q 3: Area of a rectangle: a^{2} lb 4a

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

Q 5: Diamater of a circle: 2(l+b) 2r 2*pi*r

Q 6: Circumference of a semicircle: pi*r pi*r + 2*r pi*r^{2}

Q 7: Area of square: 4a a^{2} 2(l+b)

Q 8: Circumference of a circle: pi*r^{2} 2*pi*r 2*pi*d

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

