Question

Please help :)
In △PQR, QS is an altitude.
(picture)

Solve for x and y.

x=10, y=10square(5)

x=10square(5), y=square(10)

x=5square(10), y=10

x=10, y=5square(10)

Answer 1

@cwrw238 can you help please!

Answer 2

hint:

5/x = x/20

Answer 3

this is exploiting the fact that all 3 triangles are similar

Answer 4

@jim_thompson5910 I think x=10 but how do you find y?

Answer 5

x = 10 is correct

Answer 6

now use the pythagorean theorem to find y

Answer 7

a^2 + b^2 = c^2

x^2 + 20^2 = y^2

10^2 + 20^2 = y^2

...
...
...

y = ???

Answer 8

ok i think this is right but i got y=10square(5) @jim_thompson5910

Answer 9

it is, nice work

Answer 10

Thanks :)

Answer 11

you're welcome