Match the following:(a) cone


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259

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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205

April 3, 2019

Draw a rough sketch of a regular octagon


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187

April 3, 2019

Draw a rough sketch of a regular hexagon. Connecting any three of its vertices,


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413

April 3, 2019

Name each polygon:


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318

April 3, 2019

Examine whether the following are polygons. If any one among them is not, say why?


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148

April 3, 2019

A figure is said to be regular if its sides are equal in length and angles are equal in measure


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88

April 3, 2019

Give reasons for the following: (a) A square can be thought of as a special rectangle


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120

April 3, 2019

Say True or False: (a) Each angle of a rectangle is a right angle


2

85

April 3, 2019

Try to construct triangles match sticks. Some are shown here. Gan you make a triangle with


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178

April 3, 2019

Name each of the following triangles in two different ways:


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146

April 3, 2019

Match the following:


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147

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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228

April 3, 2019

Study the diagram. The line l is perpendicular to line m


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149

April 3, 2019

There are two “setsquares” in your box. What are the measures of the angles


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192

April 3, 2019

Let PQ be the perpendicular to the line segment XY


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184

April 3, 2019

Which of the following are models for perpendicular lines:


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63

April 3, 2019

Measure and classify each angle:


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155

April 3, 2019

Investigate In the given figure, the angle measures 30°. Look at the same figure through a magnifying glass


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102

April 3, 2019

Find the angle measure between the hands of the clock in each figure:


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126

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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106

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 …….


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96

April 3, 2019

From these two angles which has larger measure?


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76

April 3, 2019

Which angle has a large measure ? First estimate and then measure. Measure of Angle A =


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114

April 3, 2019

Measure the angles given below using the Protractor and write down the measure


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143

April 3, 2019

Write down the measures of (a) some acute angles


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103

April 3, 2019

Say True or False: (a) The measure of an acute angle < 90°


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87

April 3, 2019

What is the measure of (i) a right angle?


2

68

April 3, 2019

Classify each one of the following angles as right, straight, acute, obtuse or reflex:


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367

April 3, 2019

Match the following: (i) Straight angle


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84

April 3, 2019
