Question

5 In the given figure line r ∥ line s and line t ∥ line u. Find the measure of ∠a, ∠b and ∠c from the information provided.​

Answer 1

Answer:

<c = 3x + 20 = <b

<a = 180-(3x+20)= 160-3x = 2x + 10

=> 5x = 150

=> x = 30

so we can find angle a,b,c.