96.0k views
5 votes
Someone help ASAP!!

Someone help ASAP!!-example-1
User Brian Fox
by
3.5k points

2 Answers

6 votes

Answer:


{a}^(2) = {100}^(2) - {80}^(2) \\ {a}^(2) = 10000 - 6400 \\ {a}^(2) = 3600 \\ a = √(3600) = 60mi

User Demotry
by
3.4k points
4 votes

Answer:

Pretty sure is 90 degrees

Explanation:

User Thinh
by
3.9k points