Respuesta :

Answer:

Step-by-step explanation:

Part A: You can only use Pythagorean's Theorem on a right triangle.

Part B: The side across from the right angle is the hypotenuse. It has a length of 15.

Part C: To find the missing side using Pythagorean's Theorem:

[tex]a^2+11^2=15^2[/tex] and

[tex]a^2+121=225[/tex] and

[tex]a^2=104[/tex] and

a = 10.20

ACCESS MORE