Question

3. Is something wrong in this diagram (Fig 6.12)?​

Answer 1

Answer:

Yes

Because an exterior angle of a triangle is equal to the sum of its interior opposite angles.

50° = 50° + 50°

50 ≠ 100°

The exterior angle must be 100°.

Answer 2

Answer:

yes.

Step-by-step explanation:

because outside angle of a triangle is equal to sum of two opposite angles..

exterior angles theorem