Question

a side of the triangle below has been extended to form an exterior angle of
find the value of $x$.
answer attempt 1 out of 2
$x=$

Explanation:

Step1: Use linear pair property

$x + 38^\circ = 180^\circ$

Step2: Solve for x

$x = 180^\circ - 38^\circ$

Answer:

$142^\circ$