Given:
One of the legs of a right triangle is 9 cm.
The area of the triangle is 225 cm².
To find:
The length of the other leg.
Solution:
The area of a triangle is

The area of a right triangle is

Let x be the length of other leg.




Therefore, the length of the other leg is 50 cm.
I think it's the second equation. I could be wrong but I think that's what it is
Answer:
Repost your picture; it is super blurry.
Step-by-step explanation:
$2 per notebook would be the correct answer