Question

problem 19:
(first taught in
lesson 24)
find ( a + b ).
after you enter your answer press go.
( a + b = )

Explanation:

Step1: Use the property of parallel lines and transversal

When two parallel lines are cut by a transversal, \(a\) and \(b\) are same - side interior angles.

Step2: Apply the same - side interior angles theorem

The sum of same - side interior angles is \(180^{\circ}\). So \(a + b=180\).

Answer:

\(180\)