use pethagoreon theorm.
Example: a=? b=3 c=5
since your trying to find a, your equation would be
a² + 3 ²= 5²
a² + 9 = 25
deriving the formula to get "a"
25 - 9 = 16
a² = 16
√ a = √ 16
a = 4
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The altitude of a right triangle if the base is 96 and the hypotenuse is 240 is: 229.87
No. Not if the triangle is right angled (the intersection is AT the right vertex) or obtuse angled (intersection outside).
Sqrt x2+y2
If one leg of a right angled triangle is regarded as the altitude then the other leg is the base.
The altitude formula is like this: Area x 2 divided by the base ( Ax2:b) The area formula is base x height divided by 2