Answer:
perimeter is the outside, 7+7+2+2= 18
Step-by-step explanation:
Hello,
Area of the square= 10²=100
Area of the circle= π*5²=25π
Area seached= 100-25*π=21,46018...(cm²)
Answer: 2 x 2 x 2 x 2 x 2 x 5 x 5
Explanation:
We start with the string 2 x 2 x 2 x 2 x 5 x 5
Then we tack on a "2 x" up front, or at the very left, so that we double the result. This is because the jump from 400 to 800 is "times 2".
So we go from 2 x 2 x 2 x 2 x 5 x 5 to 2 x 2 x 2 x 2 x 2 x 5 x 5
We can condense this into 