The sum of all three angles of any triangle is 180 degrees. That means we have to add 37 and 79 to get 116. Subtract 180 by 116 to get 64. 64 degrees is the measure of the missing angle.
Jen used a card to make the purchase, and she received a bill within 15 days of the purchase. She paid $21.30 for the next 18 months until the bill was paid in full. The full payment included $58.60 in interest.
