RS Aggarwal Class 6 Math Thirteenth Chapter Angels And Their Measurement Exercise 13D Solution

EXERCISE 13D

Mark (√) against the correct answer in each of the following:

(1) Where does the vertex of an angle lie?

Ans: (c) On the angle

(2) The figure formed by two rays with the same initial point is called

Ans: (c) an angle

(3) An angle measuring 180^o is called

Ans: (c) Straight angle

(4) An angle measuring 90^o is called

Ans: (b) a right angle

(5) An angle measuring 91^o is

Ans: (b) an obtuse angle

(6) An angle measuring 270^o is

Ans: (d) a reflex angle

(7) The measure of a straight angle is

Ans: (c) 180^o

(8) An angle measuring 200^o is

Ans: (c) a reflex angle

(9) An angle measuring 360^o is

Ans: (d) a complete angle

(10) A reflex angle measures

Ans: (b) more than 180^o but less than 360^o

(11) 2 right angles =?

Ans: (b) 180^o

Ans: (b) 135^o

(13) If there are 36 spokes in a bicycle wheel, then the angle between a pair of adjacent a pair of adjacent spokes is

Ans: (c) 10^o