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Byju's Answer
Standard VIII
Mathematics
Parallelogram
Which of the ...
Question
Which of the following statements are true and which are false?
(i) The diagonals of a parallelogram are equal.
(ii) The diagonals of a rectangle are perpendicular to each other.
(iii) The diagonals of a rhombus are equal.
(iv) Every rhombus is a kite.
(v) Every rectangle is a square.
(vi) Every square is a a parallelogram.
(vii) Every square is a rhombus.
(viii) Every rectangle is a parallelogram.
(ix) Every parallelogram is a rectangle.
(x) Every rhombus is a parallelogram.
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Solution
i
The
given
statement
is
false
.
The
diagonals
of
a
parallelogram
bisect
each
other
,
but
they
are
not
equal
in
length
.
ii
The
given
statement
is
false
.
The
diagonals
of
a
rectangle
are
equal
and
bisect
each
other
,
but
they
are
not
perpendicular
.
iii
The
given
statement
is
false
.
All
the
sides
of
a
rhombus
are
equal
,
but
the
diagonals
are
not
equal
.
iv
The
given
statement
is
true
.
v
The
given
statement
is
false
.
Every
square
is
a
rectangle
,
but
every
rectangle
is
not
a
square
.
vi
The
given
statement
is
true
.
vii
The
given
statement
is
true
.
viii
The
given
statement
is
true
.
ix
The
given
statement
is
false
.
A
rectangle
is
a
special
type
of
parallelogram
,
but
every
parallelogram
is
not
a
rectangle
.
x
The
given
statement
is
true
.
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Similar questions
Q.
State with reasons whether the following statements are ‘true’ or ‘false’.
(i) Every parallelogram is a rhombus.
(ii) Every rhombus is a rectangle.
(iii) Every rectangle is a parallelogram.
(iv) Every squre is a rectangle.
(v) Every square is a rhombus.
(vi) Every parallelogram is a rectangle.
Q.
Write 'T' for true and 'F' for false for each of the following:
(i) The diagonals of a parallelogram are equal.
(ii) The diagonals of a rectangle are perpendicular to each other.
(iii) The diagonals of a rhombus bisect each other at right angles.
(iv) Every rhombus is a kite.
Q.
Which statement(s) is/are correct?
(1)The diagonals of a parallelogram are equal.
(2)The diagonals of a square are perpendicular to each other.
(3)If the diagonals of a quadrilateral intersect at right angles, it is not necessarily a rhombus.
(4)Every quadrilateral is either a trapezium or a parallelogram or a kite.
Q.
Which of the following statements is incorrect?
(A) Every parallelogram is a quadrilateral.
(B) Every rectangle is a parallelogram.
(C) Every square is a rectangle.
(D) Every trapezium is a parallelogram.
Q.
Which of the quadrilaterals mentioned in brackets have the following properties?
(1) Diagonals are congruent. (square, rectangle, rhombus)
(2) The longer diagonal is the perpendicular bisector of the shorter and the shorter of the longer. (trapezium, kite, rhombus)
(3) All sides and angles are congruent. (rhombus, square, rectangle)
(4) Opposite angles are congruent. (kite, parallelogram, rectangle)
(5) Opposite sides are congruent. (trapezium, rectangle, parallelogram)
(6) Diagonals bisect each other at right angles. (square, rectangle, rhombus)
(7) Diagonals bisect each another. (rectangle, parallelogram, kite)
(8) One pair of opposite sides is parallel. (kite rhombus trapezium)
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