triangle with the the sides 72 and 75 and x. also other trsingle withsides 24 25 and 7. what is the value of x.

Well if you compare the triangle side numbers, you'll find that 72 and 75 are both divisible by 3 to get 24 and 25. Therefore you can conclude that the x value would be 7 x 3, which would result in your answer. If you follow the steps, you will end up with the answer: x=21