Advertisements
Advertisements
प्रश्न
State, 'true' or 'false'
Every rhombus is a parallelogram.
पर्याय
True
False
उत्तर
True
A parallelogram is a quadrilateral with opposite sides parallel and equal.
Since opposite sides of a rhombus are parallel, and all the sides of the rhombus are equal, a rhombus is a parallelogram.
APPEARS IN
संबंधित प्रश्न
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 diagonals of a rectangle bisect each other.
In the following figures, ABCD is a parallelogram.
find the values of x and y.
State, 'true' or 'false'
If two adjacent sides of a parallelogram are equal, it is a rhombus.
In the figure, given below, AM bisects angle A and DM bisects angle D of parallelogram ABCD. Prove that: ∠AMD = 90°.
In the given figure ABCD is a rhombus with angle A = 67°
If DEC is an equilateral triangle, calculate:
- ∠CBE
- ∠DBE
ABCD is a parallelogram having an area of 60cm2. P is a point on CD. Calculate the area of ΔAPB.
Prove that the median of a triangle divides it into two triangles of equal area.
A quadrilateral ABCD is such that diagonals BD divides its area into two equal parts. Prove that BD bisects AC.
Find the area of each of the following figure:
Find the area of quadrilateral, whose diagonals of lengths 18 cm and 13 cm intersect each other at right angle.
Find the perimeter and area of a rectangle whose length and breadth are 12cm and 9cm respectively.
Find the perimeter of a rhombus whose diagonals are 24cm and 10cm.
The area of a square plot of side 80m is equal to the area of a rectangular plot of length 160m. Calculate the width of the rectangular plot and the cost of fencing it Rs.7.50per m.
PQRS is a square with each side 6cm. T is a point on QR such that the `"area of ΔPQT"/"area of trapezium PTRS" = (1)/(3)` Find the length of TR.
Give reason for the following :
A square can be thought of as a special rectangle.
Examine whether the following is a polygon. If it is not, say why?
Name polygon.
Make two more examples of this.
Name polygon.
Make two more examples of this.
