EASY
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The measure of each interior angle of a regular polygon is 150 degrees . Therefore, the number of sides of the polygon is .

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Important Questions on Understanding Quadrilaterals

MEDIUM

The number of sides of two regular polygons is in the ratio 5 : 4. The difference between their interior angles is 9°. Consider the following statements:

1) One of them is a pentagon and the other is a rectangle.

2) One of them is a decagon and the other is an octagon.

3) The sum of their exterior angles is 720°.

Which of the above statements is/are correct?

EASY

Perimeter of the rectangle in the figure is 36 centimetresAC=164 centimetres. Find length of AB.

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EASY

In triangle ABC, A=B=30°, AC=4 centimetres. What is the length of BC?

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EASY

Given that the angles of a polygon are all equal and each angle is a right angle.

Statement-1: The polygon has exactly four sides.

Statement-2: The sum of the angles of a polygon having n sides is (3n-8) right angles.

Which one of the following is correct in respect of the above statements?

MEDIUM
The sum of interior angles of a regular polygon is 1260°. What is the difference between an exterior angle and an interior angle of the polygon:
EASY
What is the magnitude (in radian) of the interior angle of a regular pentagon?
EASY

Perimeter of the rectangle in the figure is 36 centimetresAC=164 centimetres. What is AB+BC

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MEDIUM
A closed polygon has six sides and one of its angles is 30° greater than each of the other five equal angles. What is the value of one of the equal angles?
EASY
If each interior angle of a regular polygon is 12847°, then what is the sum of the number of its diagonals and number of its sides?
EASY
Two sides of a regular polygon with n sides, when extended, meet at an angle of 28°. What is the smallest possible value of n?
HARD
What is the diameter of a circle inscribed in regular polygon of 15 sides with side length unity?
MEDIUM
 The exterior angle of a regular polygon is 72°. What would be the sum of all its interior angles?
EASY

In the figure, B=90°, C=44°

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What is the measure of A?

MEDIUM

If the measure of each exterior angle of a regular polygon is 5137, then the ratio of the number of its diagonal to the number of its side is:

EASY

If the interior angle of a regularpolygon is 108°, then it is a-

1. Octagon

2. Hexagon

3. Pentagon

4. Tetragon 

MEDIUM

In the figure below, the measure of ∠$ \text{a}$=_____$ \text{°}$.

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EASY

The sum of the interior angle in a regular polygon is$ 1260°$. The measure of one of the interior angles of the polygon is_____$ °$.

EASY

The sum of the interior angles of a regular polygon is 2700$ °$ . Therefore, the number of sides of the polygon is _____.

MEDIUM

If the measure of interior angles of a convex pentagon are five consecutive numbers, the measure of its largest interior angle is_____ degrees.