The distance of A from the origin.
√(5²+3²+(-2)²)= √(25+9+4)
=√38
=6.2
The distance of B from the origin
√(2²+(-4)²+8²=√(4+16+64)
=√84
= 9.2
I need to be informed of AC and BC are normal sides or the hypotenuse....
The right triangle has an angle of 30°-60°-90°