Question

3. Find the third angle of this triangle. What type of triangle is this? Why?
?
DSL.
40°
50°
Sum of two angles of a triana​

Answer 1

Answer:

Required angle =180° -(40+50)° = 90°

Answer 2

Solution:

By angle sum property,

Required angle = 180° - (40+50)°

= 180°- 90°

=90°