Answer
Explanation:
Hey, there!
Let's simply solve it.
As there is given that L and M are parallel. Use all
the condition or properties of parallel lines.
Here use:
vertically opposite angle.
coointerior angles sum is 180°.
Now,
angle 6= 38° { Vertically opposite angle}. angle 6+ angle 5 = 180° { as sum of coointerior angles are equal to 180°}
38°+angle 5 = 180° or, angke 5 = 180°-38°
Therefore, angle 5 = 142°
Now, angle 3 = angle 5 { Vertically opposite angle} Therefore, the measure of angle 3 is 142°. hope it helps...