New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 7

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If the sum of the angles of an Octagon is $x °$ , then find the value of $x$ .

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Important Questions on Polygon

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New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 8

Find the number of sides of polygon if the sum of its interior angles is:

10 r t . ∠ s

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IMPORTANT

New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 8

Find the number of sides of polygon if the sum of its interior angles is:

20 r t . ∠ s

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IMPORTANT

New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 8

Find the number of sides of polygon if the sum of its interior angles is:

18 r t . ∠ s

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New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 8

Find the number of sides of polygon if the sum of its interior angles is

28

right angles.

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New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 9

Each angle of a polygon is

140^{o}

. How many sides has it?

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New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 10

The angles of a quadrilateral are in the ratio

2 : 3 : 5 : 8

. Find the angles.

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New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 11

The angle of a hexagon are

6 x^{o}, 4 x^{o}, 5 x^{o}, {6 x}^{o}, 7 x^{o}

, and

8 x^{o}

. Find the value of

x

.

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New Mathematics Today Class 7>Chapter 30 - Polygon>Exercise>Q 12

One angle of a seven sided polygon is

138^{o}

, and each of the six angles is

x^{o}

, find the value of

x

.