Question

write the correct equation
no scam ​

Answer 1

$1) \: amount - principal = interest \\ \implies \: amount = principal + inerest \\ \\ 2) \: perimeter \: of \: rectangle = 2(length + breadth) \\ \\ 3) \: perimeter \: of \: square = 4 \times a \\ here \: a = side \: of \: square$

Answer 2

Answer:

$\sf\begin{gathered}1) \: amount - principal = interest \\ \implies \: amount = principal + inerest \\ \\ 2) \: perimeter \: of \: rectangle = 2(length + breadth) \\ \\ 3) \: perimeter \: of \: square = 4 \times a \\ here \: a = side \: of \: square\end{gathered}$