Step-by-step explanation:
6x = 23² - 17²
6x = (23 + 17)(23 - 17)
6x = 40 * 6
Hence x = 40.
155% of what number is 93?:
60
Answer:
2/5
Step-by-step explanation:
Divide the top and bottom by 18
36/90
36÷ 18 = 2
90 ÷18 = 5
36/90 = 2/5
I believe the answer is C
For this case we have that by definition, the Pythagorean theorem states that:

Where:
c: It is the hypotenuse of the triangle
a, b: They are the legs of the triangle
Then, we verify if the theorem for the given triangles is fulfilled:
Triangle 1:

It is fulfilled!
Triangle 2:

It is not fulfilled!
Triangle 3:

It is not fulfilled!
ANswer:
Triangle A