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Delicious77 [7]
3 years ago
7

How do you find area and perimeter of a rectangle with the side lengths of 5x^2 and 12x?

Mathematics
1 answer:
valentinak56 [21]3 years ago
8 0

Answer:

The area can be found by multiplying the two terms, and the perimeter by doubling and adding them.

Using this, we find that the area of the rectangle is 60x³, and the perimeter is 10x² + 24x.

Step-by-step explanation:

First let's find the area:

5x² × 12x

= 60x³

Now the perimeter:

2(5x² + 12x)

= 10x² + 24x

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Answer:

Sum of Interior Angles = 900°

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Step-by-step explanation:

We know that the figure is a Heptagon (a 7 sided polygon), therefore;

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=> (n - 2) * 180 = Sum of Interior Angles

=> (7 - 2) * 180 = Sum of Interior Angles

=> 5 * 180 = Sum of Interior Angles

=> <u>900° = Sum of Interior Angles</u>

Now that we know the sum of interior angles,

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Hope this helps!

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