If C is the length of the hypotheses of a right triangle and A and B are the leg lengths. Which is incorrect answer pick the answer from the picture above.

Please help me out I need this question answered.

If a b or c are not the answer please tell me because I forgot to write down d.

Step-by-step explanation:

Length of hypotenuse = c

Length of legs = a and b

Hence,

→ a² + b² = c²

→ b² = c² - a²

→ b = √(c² - a²)

First one is correct. [a]

Now,

By Pythagoras theorem,

→ a² + b² = c²

Third one is correct too. [c]

→ a² + b² = c²

→ a² = c² - b²

Second one is also correct. [b]

Step-by-step explanation:

The second leg's length is 12.

Explanation:

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We'd use the pythagorean theorem to solve for the other leg's length. As the image suggests, we'd use the theorem, a2+b2=c2.

If one leg is 9, that's our a value. 

If the hypotenuse is 15, that's our c value.

Now we just have to find the b value.

Plugging in the variables, 92+b2=152.

92=81.

152=225.

81+b2=225. Subtract 81 from both sides.

b2=144. Square root both sides.

√b2=b and √144=12, so b=12

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step-by-step explanation: