Question

Find x in each triangle

Answer 1

`\boxed{x = 20}`

Explanation:

Hey there!

Well to find x we need to use the Pythagorean Theorem, which is.

`a^2 + b^2 = c^2`

We have a which is 21 and 29 which is c.

`(21)^2 + x^2 = (29)^2`

`441 + x^2 = 841`

`-441`

`x^2 = 400`

`x = 20`

So the missing side "x" is 20.

Hope this helps :)

Answer 2

x=20

Explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2

21 ^2 + x^2 = 29^2

441+x^2 =841

Subtract 441 from each side

x^2 = 841-441

x^2 = 400

Take the square root of each side

sqrt(x^2) = sqrt(400)

x = 20