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प्रश्न
The following statement are true and false .
If three angles of a quadrilateral are equal, it is a parallelogram .
उत्तर
False
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संबंधित प्रश्न
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 a parallelogram, the diagonals bisect each other.
The following statement are true and false .
In any quadrilateral, if a pair of opposite sides is equal, it is a parallelogram.
The following statement are true and false .
If all the angles of a quadrilateral are equal, it is a parallelogram .
The following statement are true and false .
If three sides of a quadrilateral are 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?
PQRS is a quadrilateral, PR and QS intersect each other at O. In which of the following case, PQRS is a parallelogram?
OP = 6.5 cm, OQ = 6.5 cm, OR = 5.2 cm, OS = 5.2 cm
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 =
The diagonals of a parallelogram ABCD intersect at O. If ∠BOC = 90° and ∠BDC = 50°, then ∠OAB =
