The original area of a face would be a^2. Now that you added b to the edge, the new area of each face would be (a+b)^2. To find how much the are increased, subtract a^2 from (a+b)^2. So the answer is b(2a+b)
Write 5/7 as an equivalent fraction with a denominator of 63
2 answers:
You might be interested in
