Advertisements
Advertisements
Question
Write, giving reason, the name of the figure drawn alongside. Under what condition will this figure be a square.

Advertisements
Solution
Since, all the sides of the given figure are equal.
i.e. AB = BC = CD = DA = 6 cm
∴ The given figure is a rhombus.
This figure shall be considered as a square, if any angle is 90°.
APPEARS IN
RELATED QUESTIONS
In Fig. 16.19, ABCD is a quadrilateral.
How many pairs of adjacent sides are there?

In Fig. 16.19, ABCD is a quadrilateral.
How many pairs of opposite angles are there?

The measure of angles of a hexagon are x°, (x − 5)°, (x − 5)°, (2x − 5)°, (2x − 5)°, (2x + 20)°. Find the value of x.
In the given figure, PQRS is an isosceles trapezium. Find x and y.

In quadrilateral PQRS, ∠P : ∠Q : ∠R : ∠S = 3 : 4 : 6 : 7.
Calculate each angle of the quadrilateral and then prove that PQ and SR are parallel to each other
(i) Is PS also parallel to QR?
(ii) Assign a special name to quadrilateral PQRS.
Write two conditions that will make the adjoining figure a square.

The three angles of a quadrilateral are 71°, 110°, 95°. Find its fourth angle.
Construct a quadrilateral NEWS in which NE = 7 cm, EW = 6 cm, ∠N = 60°, ∠E = 110° and ∠S = 85°.
The number of right angles in a straight angle is ______ and that in a complete angle is ______.
In the following figure, What is BD – DE?

