question_answer1) What is the disadvantage in comparing line segments by mere observation?
View Answer play_arrowquestion_answer15) Match the following :
(i) Straight angle | (a) Less than one-fourth of a revolution |
(ii) Right angle | (b) More than half of a revolution |
(iii) Acute angle | (c) Half of a revolution |
(iv) Obtuse angle | (d) One-fourth of a revolution |
(v) Reflex angle | (e) Between\[\frac{1}{4}\]and\[\frac{1}{2}\]of a revolution |
(f) One complete revolution |
question_answer17) What is the measure of (a) a right angle? (b) a straight angle?
View Answer play_arrowquestion_answer25) Find the angle measure between the hands of the clock in each figure.
View Answer play_arrowquestion_answer27) Measure and classify each angle.
Angle | Measure | Type |
\[\angle AOB\] | ||
\[\angle AOC\] | ||
\[\angle BOC\] | ||
\[\angle DOC\] | ||
\[\angle DOA\] | ||
\[\angle DOB\] |
question_answer33) Match the following:
Measures of Triangle | Types of Triangle |
(i) 3 sides of equal length | (a) Scalene |
(ii) 2 sides of equal length | (b) Isosceles right angled |
(iii) All sides are of different length | (c) Obtuse angled |
(iv) 3 acute angles | (d) Right angled |
(v) 1 right angle | (e) Equilateral |
(vi) 1 obtuse angle | (f) Acute angled |
(vii) 1 right angle with two sides of equal length | (g) Isosceles |
question_answer40) Name each polygon. Make two more examples of each of these.
View Answer play_arrowquestion_answer44) Match the following:
(a) | Cone | (i) | |
(b) | Sphere | (ii) | |
(c) | Cylinder | (iii) | |
(d) | Cuboid | (iv) | |
(e) | Pyramid | (v) |
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