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
A triangle can have ________ right angles.
1
2
3
0
In the figure xo=
40o
50o
60o
80o
If one acute angle of a right angled triangle is 20o, the other angle is
70o
20o
A triangle can have ________ obtuse angles.
The point of concurrence of medians of a triangle is called
orthocenter
centroid
circumcenter
none of these
In ΔABC, if A= 3 B and c = 2 . Find A.
60o, 40o, 80o
30o, 50o, 110o
50o, 60o, 80o
90o, 30o, 60o
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
In an isosceles triangle, the non equal angle is 40o then equal angles are
60o, 60o
80o, 80o
140o, 140o
70o, 70o
In the figure, yo=
45o
55o
90o
35o