Advertisements
Advertisements
प्रश्न
Angle between hand’s of a clock when it shows the time 9.45 is ______.
विकल्प
(7.5)°
(12.5)°
(17.5)°
(22.5)°
Advertisements
उत्तर
Angle between hand’s of a clock when it shows the time 9.45 is (22.5)°.
Explanation:
The angle between two consecutive marks = `(360^circ)/12 = 30^circ`
The angle made hour hand in one minute = `(360^circ)/(12 xx 60) = 0.5^circ`
The angle made hour hand in 45 min = 45 × 0.5° = 22.5°
APPEARS IN
संबंधित प्रश्न
Convert the following angle into radian:
−132°
Convert the following angles into radian:
75°30′
Convert the following angles in degree.
`(7pi^"c")/12`
Convert the following angles in degree:
`(-5pi^"c")/3`
Convert the following angles in degree:
5c
Convert the following angles in degree:
`(11pi^"c")/18`
Convert the following angles in degree:
`((-1)/4)^"c"`
Express the following angle in degree, minute and second:
(183.7)°
Express the following angle in degree, minute and second:
(245.33)°
Express the following angle in degree, minute and second:
`(1/5)^"c"`
Two angles of a triangle are `(5pi^"c")/9` and `(5pi^"c")/18`. Find the degree and radian measures of third angle.
The measures of the angles of a triangle are in the ratio 3:7:8. Find their measures in degrees and radians.
In a cyclic quadrilateral two adjacent angles are 40° and `pi^"c"/3`. Find the angles of the quadrilateral in degrees.
One angle of a quadrilateral has measure `(2pi^"c")/5` and the measures of other three angles are in the ratio 2 : 3 : 4. Find their measures in degree and radian.
Find the degree and radian measure of exterior and interior angle of a regular pentagon.
Find the degree and radian measure of exterior and interior angle of a regular hexagon
Find the degree and radian measure of exterior and interior angle of a regular Heptagon.
Select the correct option from the given alternatives :
156° is equal to
Select the correct option from the given alternatives :
A horse is tied to a post by a rope. If the horse moves along a circular path, always keeping the rope tight and describes 88 metres when it traces the angle of 72° at the centre, then the length of the rope is
Select the correct option from the given alternatives :
A pendulum of 14 cm long oscillates through an angle of 12°, then the angle of the path described by its extremities is
Select the correct option from the given alternatives :
20 metres of wire is available for fencing off a flower-bed in the form of a circular sector of radius 5 metres, then the maximum area (in sq. m.) of the flower-bed is
Select the correct option from the given alternatives :
Find the measure of the angle between hour-hand and the minute hand of a clock at twenty minutes past two.
Answer the following :
Find the number of sides of a regular polygon, if each of its interior angle is `(3pi^"c")/4`.
Answer the following :
A wire of length 10 cm is bent so as to form an arc of a circle of radius 4 cm. What is the angle subtended at the centre in degree ?
Show that the minute-hand of clock gains 5°30' on the hour-hand in one minute.
Answer the following :
A train is running on a circular track of radius 1 km at the rate of 36 km per hour. Find the angle, to the nearest minute, through which it will turn in 30 seconds.
