An arc of a circle radius 7cm is 14cm long. What angle do...
An arc of a circle radius 7cm is 14cm long. What angle does the arc subtend at the center of circle?
[Take π = 22/7]
25.7o
44o
51.43o
98o
114.55o
Correct answer is E
L = 14cm, r = 7cm; θ= ?
L = θ360 x 2πr
14= θ360 x 2π(7)
θ=360×1444
=114.55°
If log102 = 0.3010 and log103 = 0.4771, eventually without using the logarithm tables,...
If f(x)=3x3+4x2+x−8, what is the value of f(-2)?...
Which of the following is a factor of rs + tr - pt - ps? ...
In the figure, △ ABC are in adjacent planes. AB = AC = 5cm, BC = 6cm and o then AE ...
The roots of a quadratic equation are -1/4 and 3. The quadratic equation is...