Question

Pls answers this maths Question

Answer 1

Answer:

140⁰ = x + 72⁰

therefore , x = 140⁰-72⁰

= 68⁰

Step-by-step explanation:

reason - value of ext angle is equal to the sum of the internal opposite angles

Answer 2

Answer:

x = 68°

Step-by-step explanation:

∠ABC = (180 - 140)° = 40°

We know, sum of all the angles of a triangle = 180°

∴ x = 180 - (40 + 72)°

= (180 - 112)°

= 68°

EDIT: ^the process used in the above answer should be used in these types of problems. So, he is correct. :)