Question

Use the Pythagorean Theorem to find the length of the hypotenuse in a right triangle whose legs are 3 and 4.
A. 3
B. 5
C. 4
D. 2

Answer 1

Okay, so in order to get your answer, all you have to do is plug in the information you are given into the Pythagorean theorem, a^2+b^2=c^2.

Answer 2

a=3
b=4

3^2=9
4^2=16
16+9=25
sqrt of 25 is 5
so 5^2.

Your Answer is B. 5

Answer 3

Since its a Pythagorean triple though, you don't even have to do that. you know its 5.

Answer 4

Just for future reference.

Answer 5

Oh my god thank you guys! so much!!!!

Answer 6

so is it the same for this question?
What is the length of the leg in a right triangle whose hypotenuse is 13 and other leg is 12.
A. 3
B. 5
C. 4
D. 2

Answer 7

so a^2 +12^2 = 13^2
a^2 + 144 = 169
a^2 (-144) = 169 -144
a^2 = 25
a = √25
a = 5

so you're answer is 5.