An arc of a circle subtends an angle of 75° at the centre of the circle. If the diameter of the circle is 7cm, what Is the length of the arc? (take π = 3.142)
If n{A} = 6, n{B} = 5 and n{A ∩ B} = 2, find n{A ∪ B}
If 3 boys shared x oranges among themselves in the ratio 3:5:8, and smallest share was 45 oranges, find the value of x
Find the value of k such that \(t^2\) + kt + \(\frac{25}{4}\) is a perfect square
The angle of elevation of the top T of a pole from a point X on the horizontal ground is 32°, if X is 68 m away from the foot F of the pole, calculate the height FT of the pole, correct to one decimal place.
