Advertisements
Advertisements
प्रश्न
State with reason whether the following statement is ‘true’ or ‘false’.
Every parallelogram is a rectangle.
पर्याय
True
False
Advertisements
उत्तर
This statement is False.
Reason:
If all angles of a quadrilateral are right angles, then it is a rectangle. It is not necessary for all angles of a parallelogram to be right angles. Therefore, not every parallelogram is a rectangle.
APPEARS IN
संबंधित प्रश्न
Explain why a rectangle is a convex quadrilateral.
ABC is a right-angled triangle and O is the mid point of the side opposite to the right angle. Explain why O is equidistant from A, B and C. (The dotted lines are drawn additionally to help you)
The shorter side of a parallelogram is 4.8 cm and the longer side is half as much again as the shorter side. Find the perimeter of the parallelogram.
In Fig. 17.29, suppose it is known that DE = DF. Then, is ΔABC isosceles? Why or why not?
Diagonals of a parallelogram ABCD intersect at O. AL and CM are drawn perpendiculars to BD such that L and M lie on BD. Is AL = CM? Why or why not?
Which of the following statement is true for a rectangle?
It has two pairs of equal sides.
Which of the following statement is true for a rectangle?
Its diagonals are equal and perpendicular, and bisect each other.
Which of the following statement is true for a square?
It is a rectangle.
Fill in the blank of the following, so as to make the statement true:
A square is a rectangle in which .....
Find the length of the diagonal of a rectangle whose sides are 12 cm and 5 cm.
Using opposite angles test for parallelogram, prove that every rectangle is a parallelogram.
Diagonals of a rectangle ABCD intersect at point O. If AC = 8 cm then find BO and if ∠CAD =35° then find ∠ACB.
ABCD is a rectangle, if ∠BPC = 124°
Calculate:
- ∠BAP
- ∠ADP
For which of the following figures, all angles are equal?
For which of the following figures, diagonals are equal?
All squares are rectangles.
A rectangular MORE is shown below:
Answer the following questions by giving appropriate reason.
- Is RE = OM?
- Is ∠MYO = ∠RXE?
- Is ∠MOY = ∠REX?
- Is ΔMYO ≅ ΔRXE?
- Is MY = RX?
