Understanding E...

Number of straight angles a minute hand makes when hour hand moves from:

(a) 2 to 6
(b) 3 to 5

By what number, the edges of a triangular pyramid are less than or more than a square pyramid?

State T for true and F for false.

(a) There are 6 sides in a hexagon.
(b) A rectangle has all the 4 sides equal.
(c) Diagonals of a rhombus are equal.
(d) 1/4 of a revolution is a right angle.
 

Which of the following statements is correct?

A. Acute angle is greater than right angle.
B. Measure of a reflex angle is smaller than measure of straight line.
C. Obtuse angle is greater than right angle and also greater than the measure of straight line.
D. Obtuse angle is less than reflex angle.