Answer: 12
6x2 is 12 and 12x3 is 38.
We will first find the prime factorization of 12 and 36. After we will calculate the factors of 12 and 36 and find the biggest common factor number .
Can't see it the equation is to blurry.
The answer would be A.132 because when you add the corner length to 90 it equals 132
The answer too your question is 65 it is equal to the square root of 65