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Elena L [17]
4 years ago
10

These polygons are similar. Compare the first polygon to the second. Find the ratio of the areas..

Mathematics
1 answer:
bezimeni [28]4 years ago
4 0

Answer:

D

Step-by-step explanation:

For similar polygons, there exists a scale factor between side lengths. The scale factors of their areas will be the scale factor squared.

For example, a two similar rectangles with lengths 2 cm and 4 cm and widths 5 cm and 10 cm, The rectangles have a scale factor pf 2.  The rectangles also will have areas 10 and 40. The scale factor of their areas is 4 or 2 squared.

The polygons here have a scale factor of \frac{40}{15} =\frac{8}{3} and is simplified to 8/3. Their areas will be 8/3 squared or 64/9.

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3 years ago
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<h2><u>Answer:</u></h2>

'?' is <u>88°.</u>

<h2><u>Step-by-step explanation:</u></h2>
  • First, we work out the final angle of the left triangle, which has a total of 180°. To do this we take 40° and 66° from 180°, giving us <u>72°</u>
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melamori03 [73]
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