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lakenyahar
21.11.2020 •
Mathematics
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Ответ:
X = 5
Step-by-step explanation: Since a square has all equal sides, and area is just length times width, the other side has to be five. If you REALLY feel the need to check my work just do 5x5.
Ответ:
A:![x^2+2x+1](/tpl/images/0015/4715/5f5e2.png)
Step-by-step explanation:
We are given that a metal sheet which is required to make square -shaped traffic sign.
We are given that a square shaped traffic sign is shown with length of on side labeled as x+1.
We have to find an expression which is equivalent to area of metal sheet used in square shaped traffic sign
Length of square shaped traffic sign=![x+1](/tpl/images/0015/4715/e0864.png)
We know that area of square =![side \times side](/tpl/images/0015/4715/d0a83.png)
Therefore, area of metal sheet used in square shaped traffic sign=![(x+1)(x+1)=x^2+2x+1](/tpl/images/0015/4715/65891.png)
Hence, option A is true.
Answer : A:![x^2+2x+1](/tpl/images/0015/4715/5f5e2.png)