Answer:
I think
11cm²-5cm²=121+25
and the square root of that will give you 12.08
and that's the answer
Expanded form means breaking the number into addition.
408,032,009 = 400,000,000 + 8,000,000 + 30,000 + 2,000 + 9
<span>go tot he website of
</span>
https://www.algebra.com/algebra/homework/Problems-with-consecutive-odd-even-integers/Problems-with-c...
It will help you understand the problem and give you the answer.
If you look at the question closely its just asking for the sides added the answer is B 30 + 15 =45 30+18=48
