The answer is A :The graph has closed circles on the left of the step and open circles on the right and includes the step
Answer:
b=12
Step-by-step explanation:
a^2+b^2=c^2
(9×9) + b^2= 15×15
81+ b^2= 225
-81. -81
b^2=144
√. √
b= 12
I think the answer is C hope this helps.
Answer:

Step-by-step explanation:
Given
similar to 


Required
Find ZX
similar to
implies that, the following sides are similar



To find ZX, we make use of the following equivalent ratio

Where


So, we have:

Express as fraction


Make ZX the subject

