Question

11.Can 90 degree, 90degree and 20 degree form a triangle?*

1 point

yes

no

sometimes

none of these
​

Answer 1

Answer:

As we know that the sum of all the angles of a triangle is equal to 180°...

Here, the given angles are 90°,90° and 20°

their sum = 90+90+20 = 200° > 180°

Hence, triangle is not possible...