You need to give options for future reference
This is B.SAS (side angle side)
The answer is 3.6 or 3 6/10 or 3 3/5 all equivalent
Answer:
you have to use the Pythagorean theorem. a^2 + b^2= c^2
72^2 + b^2 = 75^2
5184 + b^2 = 5625 (subtract 5184 from both sides)
b^2= 441 (find the square root of each side)
b= 21
