1) The standard unit of an angle is ____________ a) degree(°) b) metre c) litre d) gram 2) _______________ is an instrument by which we measure the angle. a) Tap b) Scale c) Protractor d) Compass 3) An angle whose measure is more than 90° but less than 0° is called __________ angle. a) acute b) right c) obtuse d) straight 4) This is a ____________ angle a) acute b) right c) obtuse d) straight 5) This is a ____________ angle a) acute b) right c) obtuse d) straight 6) The measure of this angle is ___________ a) 60° b) 90° c) 120° d) 180º 7) An angle whose measure is equal to 180° is called ____________ angle. a) right b) straight c) zero d) acute 8) An angle whose measure is equal to 190° is called ____________ angle. a) right b) straight c) reflex d) acute 9) An angle whose measure is equal to 360° is called ____________ angle. a) right b) straight c) reflex d) complete 10) An has _____ vertex and _________ arms. a) 1 , 2 b) 2, 1 c) 1,3 d) 3 ,1

Class -4 . maths (Angle)

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