Triangles - CBSE

Avyaan, Aisha, and Sanya are playing a game. Avyaan draws an acute angle. What is the measure of the angle?

• 90 degrees

• less than 90 degrees

• more than 90 degrees

• 180 degrees

In a clock, when the hour hand and minute hand are in opposite directions, the angle between them is

• 180 degrees

• 360 degrees

• 90 degrees

Intersecting lines cut each other at

• many points

• only three points

• One point

• Two points

In a school competition, Mira was asked to measure an angle and she found it to be more than 180 degrees. What type of angle did Mira measure?

• More than 90 degrees

• More than 180 degrees

• Equal to 90 degrees

• Equal to 180 degrees

In the given figure, if the angles a and b are in the ratio 2 : 3, then angle c is

• 90 degrees

• 126 degrees

• 144 degrees

• 180 degrees

In figure, AB || ED, the value of x is

• 26 degrees

• 36 degrees

• 54 degrees

• 62 degrees

In the figure, if x, y and z are exterior angles of ΔABC then x + y + z is

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

All the three angles of a triangle, if the angles are (3x -2)^o , (2x +11)^o and (5x – 9)^o. The value of x is (a)