Sign Up FREE!  Sign In  Classroom Setup  Common Core Alignment  
07262007  #11 
Guest
Posts: n/a

c the method(hypo)(hypo)=(side1)(side1)+(side2)(side2)7* 7=2*2+(side2)(side2)49=4+2side2(i.e side2 square)494=2side245=2side2side2=under root 45i.e.=15*3i.e.=3/5so the answer is d.

07262007  #12 
Guest
Posts: n/a

pythagoras' theorem: 7^2=2^2 + x^2 x= sqr root of 45so D

07262007  #13 
Guest
Posts: n/a

A lot of people gave you the answer, but you need to remember the pythagorean theorem. a^2+b^2=c^2. This will help more than anybody giving you the answer.

Thread Tools  
Display Modes  

