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Published on: 29/08/2019
Practical Geometry
Download CBSE Class 8th Standard CBSE Mathematics question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 8th Standard CBSE Mathematics
Questions + Answers key
Take MCQ Mathematics Test
1.
Which one of the following is a Pythagorian triplet?
(n2-1), 2n and (n2+ 1)
(n + 1)(n2-1) and (n2+ 1)
n, (n2-1) and (n2+ 1)
(n - 1), (n2- 1) and (n2 + 1)
2.
What will be the side of a rhombus whose diagonals are 10 em and 24 em long?
15 em
17 em
18 em
13 em
3.
What is the measure of an exterior angle of a regular octagon?
60°
36°
54°
45°
4.
The measures of two adjacant angles of a parallelogram are in the ratio 4: 5. The measure of each of the angles of the parallelogram is :
60° and 120°
40° and 140°
80° and 100°
100° and l25°
5.
Which of the following quadrilateral has only one pair of opposite sides parallel?
Trapezium
Kite
Rectangle
Rhombus
6.
Which of the following quadrilaterals does not have two pairs of adjacent sides equal and diagonals intersecting at right angle?
Rhombus
Square
Kite
Rectangle
7.
In a ______________ opposite sides are equal, opposite angles are equal and diagonals bisect one another.
8.
The diagonals of a square are __________________
9.
In a quadrilateral LIKE, LE = 10 cm, IK = 8 cm. Also, if LE = EK and LI = IK, then the quadrilateral is a ________________
10.
In a quadrilateral MORE, if \(\angle\)M = 120°, \(\angle\)R = 30° and \(\angle\)O= 150°, then \(\angle\)E =__________________
11.
_______________ is the sum of an exterior angle and its adjacent interior angle
12.
In a square, diagonals bisect each other at 90°.
13.
In a cyclic quadrilateral, sum of opposite angles is 180°.
14.
In a parallelogram, adjacent angles are equal.
15.
Sum of all the four angles in a quadrilateral is 360°.
16.
A unique quadrilateral can be constructed with any four given measurements.
17.
Sum of adjacent angles in a quadrilateral is 180°, then the quadrilateral is a
18.
In a cyclic quadrilateral opposite angles are
19.
In a kite, diagonals are
20.
In a rectangle, diagonals are
1.
(a)
(n2-1), 2n and (n2+ 1)
2.
(d)
13 em
3.
(d)
45°
4.
(c)
80° and 100°
5.
(a)
Trapezium
6.
(d)
Rectangle
7.
( )
Parallelogram
8.
( )
Equal
9.
( )
Kite, In a kite, two pairs of adjacent sides are equal.
10.
( )
\(\because \angle M+\angle R+\angle O+\angle E=360°\)
\(\Rightarrow120°+30°+150°+\angle E=360°\Rightarrow 300°+\angle E=360°\)
\(\therefore\angle E=360°-300°=60°\)
11.
( )
Straight angle
12.
(a)
13.
(a)
14.
(b)
15.
(a)
16.
(b)
17.
( )
parallelogram
18.
( )
supplementary
19.
( )
at perpendicular
20.
( )
Equal
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CBSE 8th Standard CBSE Subjects
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