Ok ok this is the part 2 to my last question

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

Use circumcenter theorem to solve for the given values

Your weight on the moon is relative to your weight on earth. neil armstrong weighed 360 lbs. in his moon gear while on the earth, but on the moon he only weighed 60 lbs. how much would a 150 lb person weigh on the moon?