In the figure xo,yo, are
60o, 120o
40o, 60o
80o,60o
180o,60o
A triangle can have ________ obtuse angles.
0
1
2
3
The perpendicular line segment joining a vertex and its opposite side is called
altitude
median
bisector
none of these
The point of concurrence of medians of a triangle is called
orthocenter
centroid
circumcenter
In an isosceles triangle, the non equal angle is 40o then equal angles are
60o, 60o
80o, 80o
140o, 140o
70o, 70o
Which of the following is not possible to have the sides of a triangle.
3 cm, 4 cm, 5 cm
6 cm, 6 cm, 6 cm
4 cm, 4 cm, 8 cm
3 cm, 5 cm, 7 cm
If the sides of a triangle are 8 cm, 8 cm, 6 cm, then it is a / an.
isosceles triangle
scalene triangle
equilateral triangle
In the figure, yo=
45o
55o
90o
35o
The acute angles of a right triangle are in the ratio 2:3. Find the angles of the triangle.
28o, 62o, 90o
30o, 60o, 90o
36o, 54o, 90o
50o, 30o, 110o
Number of altitudes of a triangle
4