Choose the correct option:
If two angles are supplementary, then their sum is ___________
A. 90°
B. 180°
C. 270°
D. 360°
If diagonals of a square ACBD intersect at P, then the angle CPB is _______ degrees.
Question 3
In a pie chart, the total angle at the centre of the circle is:
(a) 180°
(b) 360°
(c) 270°
(d) 90°