If in a triangle, each angle is less than 90^{o}, then it is called _________
Acute-angled
Right-angles triangle
Obtuse-angled triangle
None of these
The ________ of a triangle corresponding to any side, is the line joining the mid point of that side with the opposite vertex.
Median
Altitude
Perpendicular
If Δ ABC is an isosceles triangle. Then which of the following statement is false
Two of its sides are equal
Two od its angles are equal
Base angles are equal
Both 2 & 3 are false
Corresponding to any side, the length of perependicular drawn from the opposite vertex to that side is ____________.
A/An------------- of a triangle , corresponding to any side , is the length of perpendicular drawn from the opposite vertex
to that side.
Base
In ΔPQR,
oand o. Find all angles of a triangle
o. Find all angles of a triangle
70^{o}, 52^{o}, 58^{o}
76^{o}, 42^{o}, 62^{o}
76^{o}, 46^{o}, 58^{o}
70^{o}, 60^{o}, 50^{o}
If two sides of d triangle are equal, then it is called _________
Scalene triangle
Equilateral triangle
Isosceles triangle
If one angle of a triangle is 90^{o} then it is called _________
Acute angled triangle
Rigtht-angled triangle
Obtuse angled triangle
The sum of angles of a triangle is equal to
One right angle
Two right angles
Three right angles
Four right angles
If all sides of a triangle are equal, then all its angles are
Different
Equal
Equal to 60^{o}
Both 2 and 3