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Identify a decagon from the following

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Important Questions on Lines, Angles and Shapes

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Mathematics>Geometry>Lines, Angles and Shapes>Polygons
Twelve solid hemispheres of the same size are melted and recast in a right circular cylinder of diameter 7 cm and height 28 cm. What is the radius of the hemispheres?
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
The sum of the interior angles of a convex n-sided polygon is less than 2019°. The maximum possible value of n is
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
The area of a field in the shape of a regular hexagon is 24003 m2. The cost of fencing the field at Rs.16.80/meter is:
HARD
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
A point P in the interior of a regular hexagon is at distance 8,8,16 units from three consecutive vertices of the hexagon, respectively. If r is radius of the circumscribed circle of the hexagon, what is the integer closest to r?
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
If the measure of the interior angle of a regular polygon is 1080, then how many sides does It have?
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons

The sum of the interior angles of a regular hexagon is_____

(A) 360°

(B) 540°

(C) 720°

(D) 900°

MEDIUM
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
A diagonal is a line segment that joins any two vertices of the polygon and is not a side of the polygon. Draw a rough sketch of a pentagon and draw its diagonals.
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons

All closed curves form polygons.

MEDIUM
Mathematics>Geometry>Lines, Angles and Shapes>Polygons

Examine the given figure and explain whether it is a polygon or not. (Yes/No)

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Mathematics>Geometry>Lines, Angles and Shapes>Polygons
All the angles of a regular polygon are of ________________.
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
What is the number of sides in Hexagon ?
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
What is a regular polygon? State the name of a regular polygon of 3 sides.
MEDIUM
Mathematics>Geometry>Lines, Angles and Shapes>Polygons

In the figure, ABCDEF is a regular hexagon. Prove that ACDF is a rectangle.

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EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
A figure is said to be regular if its sides are equal in length and angles are equal in measure. Can you identify the regular quadrilateral?
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
Which of these simple closed figures is also a polygon?
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
Polygons that have no portions of their diagonals in their exteriors are called_____.
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
The polygon with 7 sides is called _____. 
MEDIUM
Mathematics>Geometry>Lines, Angles and Shapes>Polygons
The ratio of measures of an interior angle of a regular hexagon to that of a regular dodecagon is :
EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons

Draw a hexagon of equal sides and unequal angles.

EASY
Mathematics>Geometry>Lines, Angles and Shapes>Polygons

Draw a hexagon of equal angles and unequal sides.