Question

what is the radian measure of the smaller angle formed by the hands of a clock at 7o'clock?

Answer 1

It's 30 degrees per hour on a clock so 5*30 (going anti-clockwise) would be 150 degrees, to change degrees to radians you multiply by pi/180

Answer 2

but y do u multiply by 5?

Answer 3

I understand 30

Answer 4

if u look at it like a circle, its divided into 12 pieces like a pie graph, and from 12-7 its 5 sections

Answer 5

but y u subtracting 7?

Answer 6

12 bc there r 12 sec on a watch

Answer 7

http://www.mathsisfun.com/activity/clocks-angles.html

Answer 8

I stil dnt gt y u subtracting 7?

Answer 9

Oh its not subtracting, im just saying its 12 to 7 hence 12-7

Answer 10

12 to 7 hence?

Answer 11

the subtraction sign is another way of me saying 'to'

Answer 12

so ur subtracting 12 and 7 right?

Answer 13

no, I simply said 12 to 7 to indicate the amount of segments between 12 o'clock and 7 o'clock which was 5, and it so happens (coincidentally) to be the same as 12-7

Answer 14

isn't there 6 segments between 12 and 7?

Answer 15

no there are 5

Answer 16

how?