3 years ago

The perimeter of rectangular is 54 inches Its length is two times its width

1 answer:

3 0

The length would be 18 inches and the width would be 9 inches since the length is twice its width and to find perimeter you do length x 2 and width x 2 and add it together so 18x2 = 36 and 9x2 = 18. 36 + 18 = 54

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vesna_86 [32]

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3 years ago

Which of the following could represent the scale factor of the smaller figure to the larger figure?

Reptile [31]

Answer:

It could be 2:5 or 6pi:15pi

Step-by-step explanation:

If you write the ratio of the surface area as a fraction, you would get $\frac{20\pi *yd^{2} }{125\pi *yd^{2} }$ . Simplifying it would leave $\frac{4}{25}$ . But this is NOT the answer because that is the ratio of the surface area. You have to square root it to find the scale factor. The square root is $\frac{2}{5}$ . The answers would be 2:5 and 6pi:15pi.