Question

Help Me how to do this

Answer 1

@owllover123

Answer 2

@perl @e.mccormick @izzy529 can you help :P

Answer 3

@Sapphire901

Answer 4

@robtobey

Answer 5

That looks like a screen shot of an assessment... which is not a good thing. If you have gotten to an assessment without understanding a topic, you need a good reference on the topic:

http://regentsprep.org/regents/math/geometry/gcg3/ldistance.htm