If one of the angles of a triangle (BAC) is 130°, then what is angle BOC?
155°.
145°.
65°.
50°.
If one of the angles of a triangle (BAC) is 130°, then what is the value of the angles ABC and BCA respectively?
50° and 50°
None is correct.
25° and 25°.
20° and 30°.
The angles of a triangle are in the ratio 5:3:7. The triangle is:
Right triangle.
Obtuse-angled triangle
Acute-angled triangle
Isosceles triangle
In the figure, the diagram that represents a reflex angle is:
C.
A.
B.
D.
