Question

The length of one leg of a right triangle is 21 ft and the length of the hypotenuse is 29 ft.

What is the length of the other leg?

Answer 1

@ltrout

Answer 2

Use the Pythagorean theorem!

Answer 3

use pythagoras theorem ,

Answer 4

This is Pythagorean Theorem. \[A^{2}+b^{2} =c^{2}\] .

You have a leg and the hypotenuse. So 21^2 + B^2 = 29^2. Solve for B

Answer 5

I just learned this today so I have no idea what im doing! Please help me out here

Answer 6

I'll just restate that.
29^2 - 21^2 =

Answer 7

First step would be to get b^2 on it's on side. So you could subtract either 21^2 or 29^2.

Let's just go with B^2 = 29^2 - 21^2.


Then you will need to find the values and then subtract them to get B^2. Then find the square root of that number and you're set.

Answer 8

so 20?

Answer 9

@adelyn_helps
first of all look at the triangle drawn above

can oyu identify the right angle, and the hypotenuse?

what is the length of the hypotenuse?

Answer 10

Yes! 20 would be correct!

Answer 11

Yes. Sqrt of 400 is 20.

Answer 12

A right angle triangle is made up of 3 sides - known as the hypotenuse and the 2 'legs'

the hypotenuse is ALWAYS the longest side and is the side OPPOSITE the right angle

Answer 13

no - it's

\[29^2 = 21^2 + 20^2\]

Answer 14

Thannk you guys!

Answer 15

Read it wrong, my bad @MrNood !

Answer 16

wait so 20 is incorrect or no?

Answer 17

Is 20 still correct @mrnood @ltrout

Answer 18

Yes 20ft would the length of the final leg.

Answer 19

@ltrout I know you dont like being messaged but can you friend me I need to tell you something and then you can unfriend me again when im done!

Answer 20

thanks

Answer 21

@adelyn_helps see if you're able to message now.