What is the length of leg y of the right triangle?
2 answers:
Answer:
y = 13
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
y² + 84² = 85²
y² + 7056 = 7225 ( subtract 7056 from both sides )
y² = 169 ( take the square root of both sides )
y =
= 13
Answer:
13
Step-by-step explanation:
We need to use the Pythagorean Theorem to solve this problem:
, where a and b are the legs of the right triangle and c is the hypotenuse
In this case, we already know b (b = 84) and c (c = 85), so we need to solve for a:

Thus, a = y = 13.
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