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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
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.
In a parallelogram ABCD, ∠D = 135°, determine the measures of ∠A and ∠B
The following statement are true and false .
In a parallelogram, the diagonals are equal
The following statement are true and false.
In a parallelogram, the diagonals bisect each other.
If ABCD is a rhombus with ∠ABC = 56°, find the measure of ∠ACD.
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 ...................
In a parallelogram ABCD, if ∠DAB = 75° and ∠DBC = 60°, then ∠BDC =
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 =
