150k views
16 votes
can sumone heeeeeeelp meee with thiiiis its homework and im about to give uup like this just question 1 and im already tired pleeaaseeeee

can sumone heeeeeeelp meee with thiiiis its homework and im about to give uup like-example-1

2 Answers

9 votes

Answer:

C. 9 m

Explanation:

The Pythagorean theorem says


leg_(1) ^(2) + leg_(2) ^(2) = hyp^(2)

Let the third side, which is a leg, = x


12^(2) + x^(2) = 15^(2)

144 +
x^(2) = 225


x^(2) = 81\\x = āˆš(81) = 9

C. 9 m

User Reachlin
by
2.9k points
5 votes
Answer: Cā€” 9 m

Steps:
a^2 + b^2 = c^2
12^2 + b^2 = 15^2
144 + b^2 = 225
b^2 = 81
b = 9
User Drazen Bjelovuk
by
4.7k points