3 years ago

A large rectangle has length a + b and width c + d. Therefore, its area is (a + b)(c + d).

Mathematics

1 answer:

melamori03 [73]3 years ago

6 0

Answer:

The area of four small rectangles are ac, bc, ad and bd.

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Step-by-step explanation:

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* where you see x substitute-1 *

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Check the picture below.

$\bf \textit{lateral area of a cone}\\\\
LA=\pi r\stackrel{slant-height}{\sqrt{r^2+h^2}}~~
\begin{cases}
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\end{cases}\implies 539\pi =\pi 49\sqrt{r^2+h^2}
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