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प्रश्न
The following statement are true and false .
If three sides of a quadrilateral are equal, it is a parallelogram .
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उत्तर
False
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संबंधित प्रश्न
Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.
ABCD is a rhombus. Show that diagonal AC bisects ∠A as well as ∠C and diagonal BD bisects ∠B as well as ∠D.
In ΔABC and ΔDEF, AB = DE, AB || DE, BC = EF and BC || EF. Vertices A, B and C are joined to vertices D, E and F respectively (see the given figure). Show that
(i) Quadrilateral ABED is a parallelogram
(ii) Quadrilateral BEFC is a parallelogram
(iii) AD || CF and AD = CF
(iv) Quadrilateral ACFD is a parallelogram
(v) AC = DF
(vi) ΔABC ≅ ΔDEF.
The following statement are true and false .
In any quadrilateral, if a pair of opposite sides is equal, it is a parallelogram.
The perimeter of a parallelogram is 22 cm. If the longer side measures 6.5 cm, what is the measure of shorter side?
Complete the following statement by means of one of those given in brackets against each:
Consecutive angles of a parallelogram are ...................
The bisectors of any two adjacent angles of a parallelogram intersect at
The figure formed by joining the mid-points of the adjacent sides of a rectangle is a
ABCD is a parallelogram and E and F are the centroids of triangles ABD and BCDrespectively, then EF =
ABCD is a parallelogram, M is the mid-point of BD and BM bisects ∠B. Then ∠AMB =
