Question

If 7x°,2x°and 11x°are the angles of a triangle, then find x

Answer 1

Answer:

9°

Step-by-step explanation:

see attachment for your answer

sum of angles of∆ =180

Answer 2

Answer:

9

Step-by-step explanation:

Sum of angles of a triangle is 180°

therefore, 7x°+2x°+11x°=180°

=> 20x°=180°

=> x°= 180°/20=9