A circular arc subtends angle 150° at the centre ...
A circular arc subtends angle 150° at the centre of a circle of radius 12cm. Calculate the area of the sector of the arc.
30π cm2
60π cm2
120π cm2
150π cm2
Correct answer is B
Area of sector = \frac{\theta}{360°} \times \pi r^{2}
= \frac{150}{360} \times \pi \times 12^{2}
= 60\pi cm^{2}
If the equations x^2 - 5x + 6 = 0 and x + px + 6 = 0 have the same roots, find the value of p....
If the simple interest on a sum of money invested at 3% per annum for 2\frac{1}{2} years is N123...
Simplify \frac{1}{1-x} + \frac{2}{1+x} ...
If 27^{x + 2} \div 9^{x + 1} = 3^{2x}, find x....