Question

Which of the following statements is incorrect?

1. The difference of two sides of a triangle is smaller than the third side

2. 30 degrees , 105 degrees , 45 degrees can be the measures of the angles of a triangle.

3. Among the sides 12cm , 5cm and 13cm of a right angled triangle, the hypotenuse is
12cm.

4. The exterior angle of a triangle is equal to sum of its interior opposite angles​

Answer 1

Answer:

3 is incorrect

Step-by-step explanation:

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