Figure A is dilated by a scale factor of 1/2 to form figure B. What is the length of x

The triangles are similar. what is the value of x? show your work.

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1