(i)If the product of two whole numbers is zero then one number will be zero. (ii) If the product of two whole numbers is zero then both number will be zero
both are false
Only I can be true
only ii can be true
Both can be true
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(i)If the product of two whole numbers is zero then one number will be zero. (ii) If the product of two whole numbers is zero then both number will be zero
both are false
Only I can be true
only ii can be true
Both can be true
(I) All natural numbers are also whole numbers; (II) One is the smallest natural number
both are false
only I is true
only II is true
both are true
What is the predecessor of 17
16
18
17
Which one of the following is not a criterion for congruence of two triangles?
SSA
SAS
SSS
ASA
Which of the following triangles have the same side lengths?
Isosceles
Equilateral
None of these
Scalene
Which of the following sets of triangles could be the lengths of the sides of a right angled triangle.
9 cm, 16 cm, 26 cm
1.5 cm, 3.6 cm, 3.9 cm
7 cm, 24 cm 26 cm
3cm, 4 cm, 6 cm
Which of the following is the measures of a right angled triangle?
4.5 cm, 6 cm, 5 cm
8 cm, 15 cm, 17 cm
4 cm, 3.5 cm 4 cm
7cm, 3 cm, 9 cm
Which of the following cannot be the side of a triangle?
10 cm, 10 cm, 4cm
10 cm, 6 cm, 4 cm
9 cm, 8 cm, 7 cm
8 cm, 5 cm, 4 cm
Two Triangles are congruent, if two angles and the side included between them in one of the triangle are equal to the two angle and the side included them of the Other triangle. This is known as
SAS congruence criterion
ASA congruence criterion
AAA congruence criterion
RHS congruence criterion
Two figures are said to be congruent, if they have exactly the same
Perimeter
Shape and size
length and width
Area
Three or more than three lines passing through the same point are called............lines.
concurrent
parallel
perpendicular
congruent
The...........altitudes of an isosceles triangle are congruent:
Three
Four
None
Two
The triangles can be classified on the basis of
the types of angles
length of line segments
both a and b
the number of equal sides
The triangles are said to be............if they are equiangular.
Similar
Equal
Scalene
Congruent
The sum of the angles of a triangle is:
exactly 180o
at most 180o
less than 180o
at least 180o
The side opposite to right angle in right angled triangle is called
Perpendicular
Hypotenuse
Altitude
Base
The right-angled triangle must have
three right angles
one right angle
two right angles
four right angles
The right bisectors of the three sides of a triangle are
Collinear
Concurrent
Parallel
Congruent
The point of concurrency of the three perpendicular bisectors of the sides of a triangle is called the.........of the triangle.
Circumcentre
In centre
Ortho centre
None
The point of concurrency of the three altitudes of a triangle is called its
Ortho centre
In centre
Circumcentre
None