Page 35 - Math G4 (second term) (4) booklet-_PART2
P. 35
Date:…../……./2024 H.W: C.W: Absent:
lesson(2) Angles on a clock face
? The clock has been separated into 12 equal angles . As the measure
of the circle is 360? ,
? then the measure of each angle
equals ?? of the circle.
????
? The measure of one angle = ?? x 360? = 360? ÷ 12 = 30?
????
1 = 30? 2 = 1 = 60? 3 = 1 = 90?
12 6
12 12 4
4 = 1 = 120? 5 = 150? 6 = 1 = 180?
12 12 2
12 3
90
