Hello, dearlybelovedx3!
In right triangle ABC, BD is the altitude to hypotenuse AC.
(a) Find and
(b) To the nearest tenth, findCode:B * *| * * | * * |6 * * | * * | * A * * * + * * * * * * * * * C x D 20-x : - - - - 20 - - - - - :
We have three similar right triangles: .
Let , then
Then: .
. . and we have: .
(a) Therefore: .
(b) In right triangle ADB, we have: .