Respuesta :

Abdullahyai

Answer:

Angle 3 is 72

Angle 4 is 18

Angle 5 is 90

Angle 6 is 72

Step-by-step explanation:

Sum of straight angle is 180

So 180 = (90+18+x) for angle 3
90+18 gives you 108 and since a straight angle is 180, you have to subtract 108 from 180 which gives you 72.