What's the third angle of a triangle whose other two angles are 45° ?

45° 60° 90°

If a triangle has an angle of 90°, then what is it called?

Acute Right angled Obtuse

A Triangle can have how many right angles?

One Two Three

If two angles of a regular triangle are 60 and 40 , then what is the value of the third angle ?

75 60 80

How many right-angled triangles of base 4 and height 2 will be required to occupy the same area as a square of side 4?

6 4 5