Calculate the perimeter of a sector of a circle of raduis...
Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60o.
(12 + 4π)cm
(24 + 4π)cm
(12 + 6π)cm
(24 + 6π)cm
Correct answer is B
Perimeter = 2r + θ360 x 2πr
= 2(12) + 60360 x 2 x π x 12
= (24 + 4π)cm
A water tank of height 12 m has a square base of side 112 m. lf it is...
In the diagram, O is the centre of the circle where OS//QR and ∠SOR = 35o...
A is at 50°N and B is at 10°N, If A and B are on the same longitude, find the distance AS. C...
If y2+ 14y + k is a perfect square, then k =...
Oke deposited N800.00 in the bank at the rate of 1212% simple interest. After some time...
If x2+15x+50=ax2+bx+c=0. Which of the following statement is not true?...