How does the triangle exterior angle theorem makes sense based on the triangle angle Sum Theorem​

Steve is scuba diving near his home in maui. at one point he is 100 feet below the surface. represent this number with a negative number. if he descends another 5 feet, what negative number will represents his.

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles