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29.04.2022 17:11
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What is the largest area possible with a perimeter of 30cm?

What is the largest area possible with a perimeter of 30cm?
What is the largest area possible with a perimeter of 30cm?
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elleinad5656
elleinad5656
4,7(15 marks)

Alright, lets get started.

The given expression is :

5\sqrt{7} +\sqrt{7}-2 \sqrt{7}

We are asked to simplify.

Each term is having \sqrt{7} in it.

So, taking \sqrt{7} common factor out, it will be

5\sqrt{7} +\sqrt{7}-2 \sqrt{7}

\sqrt{7} (5+1-2)

\sqrt{7} (6-2)

\sqrt{7} *4

4\sqrt{7}


So, the answer is 4\sqrt{7}   :    Answer

Hope it will help :)

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