The Pythagorean Theorem to the rescue!
a^2 + b^2 = c^2
12^2 + 9^2 = c^2
144 + 81 = 225
15 = c
I really need help!!!
Lars stretched 12 yards of a string from stake X to stake Y and 9 yards of the string from stake Y to stake Z. The two strings meet at a right angle.
He wants to stretch the string from stake Z to stake X next. What is the distance from stake Z to stake X?
A.15 yards
B.21 yards
C.113 yards
D.3 yards
5 answers
hypotenuse
sqrt (12^2 + 9^2)
sqrt ( 144 + 81)
sqrt (225)
= 15
sqrt (12^2 + 9^2)
sqrt ( 144 + 81)
sqrt (225)
= 15
thank you so much!
i got a couple more qushtions can you stay and help me?
You are welcome.
1 answer