9²+15²=a²
a=square root of 306
Answer:
I have made it in above figure ans of this qn will option D
what exactly are you asking?
I am very good at math so I can help you but I dont understand the question you are asking, I need more information.
Step-by-step explanation:
4 x 20 - X
4 times 20 - X
x is the unknown variable
Unknown variable = what you are trying to find.
