A rectangular glass window is divided into two equivalent right triangles by a diagonal brace.
What is the length of the diagonal brace?



A 9 inches


B 12 inches


C 15 inches


D 21 inches

A rectangular glass window is divided into two equivalent right triangles by a diagonal brace What is the length of the diagonal brace A 9 inches B 12 inches C class=

Respuesta :

15 inches because u have to use the Pythagoras formula which is a^2+b^2=c^2 Which is 9^2+12^2=225
Then the square root of 225= 15

Answer:

21

Step-by-step explanation: