You would use the Pythagorem Theory which is a^2 + b^2 = c^2 the diagonal being c and it doesn't matter how you substitute tho other either a or b. the answer is 15.588 or 15.6 inches
You would use the Pythagorem Theory which is a^2 + b^2 = c^2 the diagonal being c and it doesn't matter how you substitute tho other either a or b. the answer is 15.588 or 15.6 inches