Diagonals of a parallelogram are perpendicular to each other. Is this statement true? Give reason for your answer.
List two Fundamental Rights in the Constitution that Dalits can draw upon to insist that they be
treated with dignity and as equals. Re-read the Fundamental Rights listed on
page 14 to help you answer this question.
Diagonals AC and BD of a parallelogram ABCD intersect each other at O.
If OA = 3 cm and OD = 2 cm, determine the lengths of AC and BD
Diagonals AC and BD of a quadrilateral ABCD intersect each other at O such that OA : OC = 3: 2. Is ABCD a parallelogram? Why or why not?
Three angles of a quadrilateral ABCD are equal. Is it a parallelogram? Why or why not?
Diagonals of a rhombus are equal and perpendicular to each other. Is this statement true? Give reason for your answer.
D and E are the mid-points of the sides AB and AC respectively of ∆ABC. DE is
produced to F. To prove that CF is equal and parallel to DA, we need an additional
information which is
(A) ∠DAE = ∠EFC
(B) AE = EF
(C) DE = EF
(D) ∠ADE = ∠ECF.
Would you agree with the statement that economic marginalisation and social marginalisation are
interlinked? Why?
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