Question 1: What is the disadvantage in comparing line segments by mere observation? Answer: When we compare two line segments of almost same lengths, we cannot be sure about the line segment of greater length.
Therefore, it is not an appropriate method to compare line segments having a slight difference between their lengths.
Therefore, this is the disadvantage in comparing line segments by mere observation. Question 2: Why is it better to use a divider rule than a ruler, while measuring the length of a line segment? Answer: While using a ruler, due to incorrect positioning of the eye positioning error may occur. Therefore, it is better to use divider rule than a ruler, while measuring the length of a line segment.
Take any point R lying in between P and Q. Question 3: If you stand facing following cases, what fraction of revolution would have you been moved: a East and turn clockwise to face north?
Question 4: Find the number of right angles turned through by class 6 maths chapter 1 question answer gif hour hand of a clock when it goes from: a 3 to 6 b 2 to 8 c 5 to 11 d 10 to 1 e 12 to 9 f 12 to 6 Answer: a One right angle b Two right angles c Two right angles d One right angle e Three right angles f Two right angles.
Question 5: How many right class 6 maths chapter 1 question answer gif do you make if you start facing: a South and turn clockwise to west? Answer: a One right angle b Three right angles c Four right angles d Two right angles. Question 6: Where will the hour hand of a clock stop if it starts: a From 6 and turns through 1 right angle?
Answer: a West b West c North d South. Answer: A Straight angle � iii Half of a revolution Reason 0 is considered as a straight line and half of revolution is also 0 Class 6 maths chapter 1 question answer gif Right angle � iv One-fourth of a revolution Reason 90 0 is considered as a straight line and half of revolution is also 90 0. C Acute angle � i Less than one-fourth of a revolution Reason The angle which is less than 90 0 is called acute angle and also less than one-fourth of a revolution is the angle less than 90 0.
Question 1: Measure the following: i A right angle Ans. Right angle measures 90 0 ii A straight line Ans: Straight line measures 0. Question 2: State whether the following are True or False: i Acute angle measures less than 90 0. Answer: True ii Obtuse angle measures less than 90 0. Answer: False Obtuse angle measures greater than 90 0.
Answer: True. Question 3: Give the measures for the following: i Acute angles Answer: 30 0. Question 4: Using protractor measure the given and note them. Answer: 40 0. Question 5: Measures the largest angle and find their angles. Answer: A measures 40 0. B measures 60 0. Question 6: Class 6 maths chapter 1 question answer gif the largest angle and find their angles.
Answer: The angles measure 75 0 and 70 0. Hence, the first angle is greater. Question class 6 maths chapter 1 question answer gif Using protractor measure the following: Answer: The angle measures i 30 0. Question 9: What is the angle between the two hands class 6 maths chapter 1 question answer gif the clock? Answer: i 90 0. Question The measure of the angle is 45 0. Looking through a magnifying glass, does the angle becomes larger?
Do the size increases? Answer: The angle does not change. Answer: a Perpendicular b Not perpendicular c Perpendicular d Not perpendicular. Question 3: Find out the measures of the angles that are formed by using two set-squares that are present in geometry box?
Is there any angle measure that is common? Answer: The angles present in first set-square are 45 090 045 0 and another set-square has 60 090 030 0. The class 6 maths chapter 1 question answer gif angle between class 6 maths chapter 1 question answer gif is 90 0.
Question 4: Analyze the diagram. The line l is perpendicular to line m. Question 1: Name the triangles types given below-: i Triangle with lengths of sides 8. Question 3: Given below are the triangles, Name them in two different ways-: Answer: i Isosceles triangle and Acute angled triangle ii Scalene triangle and Right-angled triangle iii Isosceles triangle and Obtuse-angled triangle iv Isosceles triangle and Right-angled triangle v Acute angled triangle and Equilateral triangle vi Scalene triangle and Obtuse-angled triangle.
Question 4: Try out constructing triangles by using matchsticks as shown. Can a triangle be made using-: i 3 matchsticks ii 4matchsticks iii 5 matchsticks iv 6 matchsticks All the available matchsticks are to be used in each case If a triangle is not formed, then try to give specific reasons for.
Answer: i For 3 matchsticks An acute angle triangle is formed with 3 matchsticks because the sum of the two sides is greater than the third. Question 1: Indicate the following as true or false-: i In a rectangle, each angle is a right angle.
Answer: i In a rectangle, each angle is a right angle. Question 2: State a specific reason for the given statements-: i We can consider a square as a special type of rectangle. And square have the same property. Question 3: In a regular figure all the angles should be equal and all the sides in the figure need to be.
Identify among the given figures which of them are regular quadrilateral. Answer: A square is a quadrilateral. Question 1: Identify whether the given shapes are polygons. If not, give reasons? Answer: a As the figure is not closed, therefore, the shape is not a polygon.
Question 3: Give a sketch of a regular hexagon. Connecting its vertices, and by drawing a triangle. Identify the type of the triangle you have drawn. Answer: is a regular hexagon and triangle thus formed by joining is an isosceles triangle. Question 4: Draw a rough sketch of a regular hexagon. Connecting any three of the given vertices, draw a regular triangle.
Answer: is a regular shaped octagon and is a regular shaped rectangle. Question 5: The line segment from the diagonal joins the any of two vertices in the polygon and is not in the side of the given polygon. Give rough sketch pentagons by drawing its diagonals. Answer: is the required pentagon and its diagonals are 1 4, 1 class 6 maths chapter 1 question answer gif, 2 5 and 2 4. Answer: a At 6 b At 8 c At 8 d At 2 Question 3: If you stand facing following cases, what fraction of revolution would have you been moved: a East and turn clockwise to face north?
Answer: a One right angle b Three right angles c Four right angles d Two right angles Question 6: Where will the hour hand of a clock stop if it starts: a From 6 and turns through 1 right angle?
Measure of Triangle Types of Triangle a 2 sides having equal length i Isosceles right angle b 3 sides having equal length ii Right angle c 1 right angle iii Scalene d 3 acute angles iv Equilateral f All the sides with different length v Obtuse angle g 1 right angle having two sides of equal length vi Acute angle g 1 obtuse angle vii Isosceles. Measure of Triangle Types of Triangle a 2 sides having equal length vii Isosceles b 3 sides having equal length iv Equilateral c 1 right angle ii Right angle d 3 acute angles vi Acute angle f All the sides with different length iii Scalene g 1 right angle having two sides of equal length i isosceles right angle g 1 obtuse angle v Obtuse angle.
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