Advertisements
Advertisements
Question
Find the degree measure corresponding to the following radian measures
`pi/9`
Advertisements
Solution
`pi/9` radians
π radians = 180°
∴ 1 radian = `(180/pi)^circ`
Hence `pi/9` radians = `(180/pi xx pi/9)^circ`
= 20°
APPEARS IN
RELATED QUESTIONS
Express the following angles in radian measure:
30°
Express the following angles in radian measure:
135°
Express the following angles in radian measure:
– 205°
Express the following angles in radian measure:
150°
Express the following angles in radian measure:
330°
Find the degree measure corresponding to the following radian measures
`pi/3`
Find the degree measure corresponding to the following radian measures
`(2pi)/5`
Find the degree measure corresponding to the following radian measures
`(10pi)/9`
What must be the radius of a circular running path, around which an athlete must run 5 times in order to describe 1 km?
In a circle of diameter 40 cm, a chord is of length 20 cm. Find the length of the minor arc of the chord
The perimeter of a certain sector of a circle is equal to the length of the arc of a semi-circle having the same radius. Express the angle of the sector in degrees, minutes and seconds
An airplane propeller rotates 1000 times per minute. Find the number of degrees that a point on the edge of the propeller will rotate in 1 second
A train is moving on a circular track of 1500 m radius at the rate of 66 km/hr. What angle will it turn in 20 seconds?
A circular metallic plate of radius 8 cm and thickness 6 mm is melted and molded into a pie (a sector of the circle with thickness) of radius 16 cm and thickness 4 mm. Find the angle of the sector.
