Answer:
x = 15
Step-by-step explanation:
Using the Altitude- on- Hypotenuse theorem
( leg of large Δ )² = ( part of hypotenuse below it ) × ( whole hypotenuse )
x² = 9 × 25 = 225 ( take the square root of both sides )
x =
= 15
Answer: i got 394
Step-by-step explanation:
Infinity. Unless there is another number