Question

Which of the following cannot be the angles of a triangle? 

Options

70• , 50• , 60•
100• , 40• , 30•
100•, 50 • , 30•
90• , 45• , 45•​

Answer 1

Answer:

100,40 and 3 cant b angles of triangle.

Step-by-step explanation:

Answer 2

Answer:

The correct option is (2) 100• , 40• , 30•

Step-by-step explanation:

For a set of angles to be the angles of a triangle.

As we know the sum of all angles of a triangle is $=180$

Checking option (1)

$70+50+60=180$

Checking option (2)

$100+40+30=170$

Checking option (3)

$100+50+30=180$

Checking option (4)

$90+45+45=180$

Hence, the option (2) 100• , 40• , 30• cannot be the angles of a triangle.