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Class 8
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Maths
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Understanding Quadrilaterals
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Medium Questions
Understanding Quadrilaterals
Maths
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Easy Qs
Med Qs
Hard Qs
>
Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that)
What can you say about the angle sum of a convex polygon with the number of sides (n) = 7?
A
$700_{0}$
B
$800_{0}$
C
$900_{0}$
D
$1000_{0}$
Medium
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>
How many simple closed curves are there?
A
2
B
3
C
4
D
5
Medium
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>
ABCD is a parallelogram and X is the mid-point of AB. If
$Area(□AXCD)=$
$24$
$cm_{2}$
, Find
$Area(ΔABC)$
.
A
$16$
$cm_{2}$
B
$26$
$cm_{2}$
C
$12$
$cm_{2}$
D
$24$
$cm_{2}$
Medium
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>
Say true or false.
It is possible to have a regular polygon with the measure of each exterior angle as
$22_{0}.$
A
True
B
False
Medium
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>
In Fig.8.2,
$ABCD$
and
$AEFG$
are two parallelograms. If
$∠C=55_{o}$
, determine
$∠F$
.
A
$27.5_{o}$
B
$45_{o}$
C
$55_{o}$
D
$65_{o}$
Medium
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>
Opposite angles of a quadrilateral
$ABCD$
are equal. If
$AB=4$
cm, determine
$CD$
.
A
$3$
cm
B
$4$
cm
C
$5$
cm
D
$6$
cm
Medium
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>
Which of the following is not always true for a parallelogram?
A
Opposite sides are equal.
B
Opposite angles are equal.
C
Opposite angles are bisected by the diagonals.
D
Diagonals bisect each other.
Medium
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>
The diagonals
$AC$
and
$BD$
of a parallelogram
$ABCD$
intersect each other at the point
$O$
.
If
$∠DAC=32_{o}$
and
$∠AOB=70_{o}$
, then
$∠DBC$
is equal to?
A
$24_{o}$
B
$86_{o}$
C
$38_{o}$
D
$32_{o}$
Medium
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>
All the angles of a quadrilateral are equal. What special name is given to this quadrilateral?
A
Rectangle
B
Trapezium
C
Rhombus
D
Parallelogram
Medium
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>
In the above figure, it is given that
$BDEF$
and
$FDCE$
are parallelograms. Can you say that
$BD=CD$
? Why or why not?
A
Yes
B
No
C
May be
D
Cannot be determined
Medium
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>