Mathematics: Is this correct? Ive done this a million times and they always come out the same, but I still get it wrong.

Give more explanationStep-by-step explanation:...

Is this correct? Ive done this a million times

nicolacorio02

05.02.2022

No, the correct answer is 32cm.

Step-by-step explanation:

First of all, lets cut the shape into two. A rectangle and a triangle. This will help us find the slanted side of the shape.

We will use the pythagorean theorem to find the length of the slanted line.

The pythagorean theorem is $a^{2} +b^{2} =c^{2}$ .

Input the given information of the triangle lengths that we know; that is the length= 6 and the base=3.

$c= \sqrt{a^{2}+b^{2} } =\sqrt{6^{2}+\ 3^{2} } = 6.7082$

Now, we round.

6.7082≈ 6.7

We have found the length of the slanted line of the shape.

Now, let's add all the lengths together.

8+6+6.7+11= 31.7

Now, lets round.

31.7 ≈ 32cm

Hope this helps!

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