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Match the following:(a) cone
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1
|
2295
|
April 3, 2019
|
|
A diagonal is a line segment that joins any two vertices of the polygon and is not a side
|
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1
|
981
|
April 3, 2019
|
|
Draw a rough sketch of a regular octagon
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1
|
665
|
April 3, 2019
|
|
Draw a rough sketch of a regular hexagon. Connecting any three of its vertices,
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1
|
1451
|
April 3, 2019
|
|
Name each polygon:
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1
|
2414
|
April 3, 2019
|
|
Examine whether the following are polygons. If any one among them is not, say why?
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1
|
722
|
April 3, 2019
|
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A figure is said to be regular if its sides are equal in length and angles are equal in measure
|
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1
|
374
|
April 3, 2019
|
|
Give reasons for the following: (a) A square can be thought of as a special rectangle
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1
|
1219
|
April 3, 2019
|
|
Say True or False: (a) Each angle of a rectangle is a right angle
|
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1
|
379
|
April 3, 2019
|
|
Try to construct triangles match sticks. Some are shown here. Gan you make a triangle with
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1
|
1059
|
April 3, 2019
|
|
Name each of the following triangles in two different ways:
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1
|
1336
|
April 3, 2019
|
|
Match the following:
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1
|
1221
|
April 3, 2019
|
|
Name the types of following triangles: (a) Triangle with lengths of sides 7 cm, 8 cm and 9 cm
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1
|
1755
|
April 3, 2019
|
|
Study the diagram. The line l is perpendicular to line m
|
|
1
|
879
|
April 3, 2019
|
|
There are two “set-squares” in your box. What are the measures of the angles
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|
1
|
492
|
April 3, 2019
|
|
Let PQ be the perpendicular to the line segment XY
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|
1
|
760
|
April 3, 2019
|
|
Which of the following are models for perpendicular lines:
|
|
1
|
550
|
April 3, 2019
|
|
Measure and classify each angle:
|
|
1
|
950
|
April 3, 2019
|
|
Investigate In the given figure, the angle measures 30°. Look at the same figure through a magnifying glass
|
|
1
|
435
|
April 3, 2019
|
|
Find the angle measure between the hands of the clock in each figure:
|
|
1
|
1158
|
April 3, 2019
|
|
Find the measure of the angle shown in each figure. (First estimate with your eyes and then find the actual measure with a protractor)
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|
1
|
569
|
April 3, 2019
|
|
Fill in the blanks with acute, obtuse, right or straight: (a) An angle whose measure is less than that of a right angle is …….
|
|
1
|
513
|
April 3, 2019
|
|
From these two angles which has larger measure?
|
|
1
|
570
|
April 3, 2019
|
|
Which angle has a large measure ? First estimate and then measure. Measure of Angle A =
|
|
1
|
837
|
April 3, 2019
|
|
Measure the angles given below using the Protractor and write down the measure
|
|
1
|
787
|
April 3, 2019
|
|
Write down the measures of (a) some acute angles
|
|
1
|
379
|
April 3, 2019
|
|
Say True or False: (a) The measure of an acute angle < 90°
|
|
1
|
1010
|
April 3, 2019
|
|
What is the measure of (i) a right angle?
|
|
1
|
313
|
April 3, 2019
|
|
Classify each one of the following angles as right, straight, acute, obtuse or reflex:
|
|
1
|
1959
|
April 3, 2019
|
|
Match the following: (i) Straight angle
|
|
1
|
685
|
April 3, 2019
|