Answer:
the original square area is 400 cm squared and the scaled square area is 25 so the difference between them is 375 cm squared.
Step-by-step explanation:
Answer:
B) 63/10
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let's assume they meant C=40 degrees. With an angle like that they're asking for approximation; we'll oblige.
The circumradius is the product of the triangle sides divided by four times the area.
Here we have remaining side given by the Law of Cosines.
The area is
The circumradius is
3x-r=-3r+rx
3x=-3r+r+rx
3x=-2r+rx
3=rx-2r/x
there you go buddy...gitty up