Mathematics
Angles
Practice questions
When (2.8) radians is approximately converted into degrees, which value is nearest?When (0.75) radians is approximately converted into degrees, the value is closest to which option?If the radius of a circle is (21) cm and the arc is (14\pi) cm, what is the central angle in radians?If (r=16) cm and ( \theta=\frac{5\pi}{8} ) radians, what will be the arc length?What is the arc length made by an angle of (75^\circ) in a circle of radius (24) cm?If arc \(s=18\) cm and angle \( \theta=\frac{3}{4} \) radians, what is the radius?If radius is (14) cm and central angle is ( \frac{5\pi}{7} ) radians, what is the area of the sector?What will be the area of a sector with radius (9) cm and angle (120^\circ)?If the sector area is (54) square cm and (r=6) cm, what is the central angle in radians?If arc length is (20) cm and sector area is (150) square cm, what is the radius?What is the reference angle of an angle ( \theta=\frac{3\pi}{5} )?What is the reference angle of ( \theta=\frac{8\pi}{7} )?After finding the principal coterminal angle of ( \theta=\frac{13\pi}{6} ), what will be the reference angle?What will be the reference angle of (300^\circ)?Which is the reference angle of (240^\circ)?Which angle has its terminal side on the positive (x)-axis?Which angle gives a terminal side on the negative (y)-axis?On which axis will the terminal side of ( \frac{15\pi}{2} ) radians lie?If the difference between two angles is (1080^\circ), what is the correct statement about them?If the terminal side of ( \theta ) lies on the negative (x)-axis, what can be the value of ( \theta ) between (0) and (2\pi)?