Excellence in Mathematics>Chapter 6 - Understanding Shapes>VALUE-BASED QUESTIONS>Q 2

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7th CBSE

IMPORTANT

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In the adjoining figure, $B O D$ is a straight line and $∠ A O B = x$ . If $∠ C O D$ is $3$ times of $∠ A O B$ and $∠ A O D$ is $4$ times of $∠ A O B$ , then find $∠ B O C$ .

Important Questions on Understanding Shapes

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Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (i)

The common end-point where two rays meet to form an angle is called

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7th CBSE

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Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (ii)

The supplement of

1 °

is

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Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (iii)

In the Fig. given at right, the value of $x$ is

Question Image

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7th CBSE

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Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (iv)

An angle is of

75 °

. Its complement is

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Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (v)

One of the angles of a linear pair is

72 °

. The other angle is

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Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (i)

The sum of two angles which form a linear pair is always equal to

180 °

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Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (ii)

The complement of

90 °

is

90 ° .

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7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 6 - Understanding Shapes>ASSIGNMENT 6.1>Q (iii)

The supplement of an acute angle is always an obtuse angle.