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प्रश्न
Give reason for the following :
Squares, rectangles, parallelograms are all quadrilaterals.
उत्तर
All are closed figures made of 4 line segments. Therefore, all these are quadrilaterals.
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संबंधित प्रश्न
Show that the diagonals of a square are equal and bisect each other at right angles.
Diagonal AC of a parallelogram ABCD bisects ∠A (see the given figure). Show that
- It bisects ∠C also,
- ABCD is a rhombus
State, 'true' or 'false'
The quadrilateral, whose four sides are equal, is a square.
In the given figure, PT ∥ QR and QT ∥ RS. Show that: area of ΔPQR = area of ΔTQS.
*Question modified
In the figure, AE = BE. Prove that the area of triangle ACE is equal in area to the parallelogram ABCD.
In the given figure, ABC is a triangle and AD is the median.
If E is the midpoint of the median AD, prove that: Area of ΔABC = 4 × Area of ΔABE
Find the area of each of the following figure:
Two adjacent sides of a parallelogram are 34 cm and 20 cm. If one of its diagonal is 42 cm, find: area of the parallelogram.
All the sides of a parallelogram are of equal length.
Give reasons for the following :
A square can be thought of as a special rhombus.
