Angles of Triangles Quick Check
5 of 55 of 5 Items
Question
Use the image to answer the 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
38°
38 degrees
128°
128 degrees
52°
52 degrees
142°
142 degrees
1 answer
The sum of the measures of the interior angles at vertex I and vertex J is 128°.
1 answer