Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions for Mathematics

To construct a unique parallelogram, the minimum number of measurements required is ______.

The measure of each exterior angle of a regular pentagon is ______.

The measure of each angle of a regular pentagon is ______.

The name of three-sided regular polygon is ______.

The number of diagonals in a hexagon is ______.

A regular polygon is a polygon whose all sides are equal and all ______ are equal.

______ measurements can determine a quadrilateral uniquely.

The measure of ______ angle of concave quadrilateral is more than 180°.

A nonagon has ______ sides.

A polygon having 10 sides is known as ______.

is a polygon.

If the sum of interior angles is double the sum of exterior angles taken in an order of a polygon, then it is a hexagon.

A polygon is regular if all of its sides are equal.

is a concave pentagon.

A quadrilateral can be constructed uniquely if three angles and any two sides are given.

ABCDE is a regular pentagon. The bisector of angle A meets the side CD at M. Find ∠AMC.

Find the measure of each angle of a regular octagon.

Find the measure of an are exterior angle of a regular pentagon and an exterior angle of a regular decagon. What is the ratio between these two angles?

A regular pentagon ABCDE and a square ABFG are formed on opposite sides of AB. Find ∠BCF.

Is it possible to construct a quadrilateral ROAM in which RO = 4 cm, OA = 5 cm, ∠O = 120°, ∠R = 105° and ∠A = 135°? If not, why?