The angle of a sector of s circle, radius 10.5cm, is 48&d...
The angle of a sector of s circle, radius 10.5cm, is 48°, Calculate the perimeter of the sector
8.8cm
25.4cm
25.6cm
29.8cm
Correct answer is D
Length of Arc AB = θ360 2πr
= 48360 x 2227 x 212
= 4×22××330 8810 = 8.8cm
Perimeter = 8.8 + 2r
= 8.8 + 2(10.5)
= 8.8 + 21
= 29.8cm
Find the quadratic equation whose roots are 12 and -13 ...
In the diagram, O is the centre of the circle ∠PQR = 75o, ∠OPS = yo and ¯OR is parallel...
Solve for x in the equation x3 - 5x2 - x + 5 = 0 ...
The angle of depression of a point Q from a vertical tower PR, 30m high, is 40°. If the foot P o...