Question

An illustration shows triangle uppercase H uppercase I uppercase J. Uppercase H is the left vertex, uppercase I is the top vertex, and uppercase J is the right vertex. A line extending outward from uppercase H forms an exterior angle of 38 degrees.
What is the sum of the measures of the interior angles at vertex I
and vertex J
?

(1 point)
Responses

128°

128 degrees

142°

142 degrees

38°

38 degrees

52°

Answer 1

38 degrees

Reason: The exterior angle at H equals the sum of the two remote interior angles (I and J), so angle I + angle J = 38°.