Question

a) find the number of right angles turned through by the hour of a clock when it goes from 2 to 8 .
b) how many degrees are there in three right angles ?
c) write number of faces and age in square pyramid​

Answer 1

a.The hour hand of a clock revolves by 180 degree of 2 right angles when it goes from 2 to 8. Hence two right-angles

b.270 degree

c. 5 faces and 8 edges