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A polygon has 27 diagonals. How many sides does it have?

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Important Questions on Polygons

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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
The angles of a pentagon are x°, (x+20)°, (x+40)°, (x+60)° and (x+80)° . The smallest angle of the pentagon is 
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
The measure of each exterior angle of a regular polygon is 40°. How many sides does it have?
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
Each interior angle of a polygon is 108°. How many sides does it have?
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
Each interior angle of a polygon is 135°. How many sides does it have?
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
In a regular polygon, each interior angle is thrice the exterior angle. The number of sides of the polygon is  
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
Each interior angle of a regular decagon is 
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
Sum of all interior angles of a hexagon is 
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8th CBSE
IMPORTANT
Mathematics Class 8>Chapter 14 - Polygons>EXERCISE>OBJECTIVE QUESTIONS
The sum of all the interior angles of a regular polygon is 1080°. What is the measure of each of its interior angle ?