The leg of a right triangle is 5 units and the hypotenuse is 8 units. What is the length, in units, of the other leg of the triangle?

square root 39 units
39 units
square root 89 units
89 units

Question

The leg of a right triangle is 5 units and the hypotenuse is 8 units. What is the length, in units, of the other leg of the triangle?

 square root 39 units
 39 units
 square root 89 units
 89 units

anonymous · Answer

@LynFran

cwrw238 · Answer

use the pythagoras theorem

if the other leg is x 

x^2 = 8^2 - 5^2

anonymous · Answer

ok

anonymous · Answer

a squared + b squared = c squared

anonymous · Answer

c is the hypotenuse, and a is one of the legs

anonymous · Answer

so 8 squared-5 squared

anonymous · Answer

equals the length of the other leg, squared

anonymous · Answer

64-25

anonymous · Answer

39

anonymous · Answer

so the answer is the square root of 39

anonymous · Answer

thx

anonymous · Answer

sorry i gave up and started eating lol

anonymous · Answer

don't forgot, it is the square root of 39, not 39 by itself

anonymous · Answer

ok

anonymous · Answer

The legs of a right triangle are 6 units and 7 units. What is the length of the hypotenuse?

 square root 13 units
 13 units
 square root 85 units
 85 units

anonymous · Answer

@heretohelpalways