### Home > INT3 > Chapter Ch1 > Lesson 1.1.4 > Problem 1-62

1-62.

Determine the value of in the diagram below. Justify your reasoning.

Straight angles have a total of

Every triangle's interior angles also add up to

1-62.

Determine the value of in the diagram below. Justify your reasoning.

Straight angles have a total of

Every triangle's interior angles also add up to