3 years ago

Pentagon ABCDE Pentagon FGHIJ. Find BC for GH = 12, IJ = 15, and DE = 10.

Mathematics

1 answer:

Contact [7]3 years ago

7 0

Answer:

BC = 8

Step-by-step explanation:

These are similar shapes, so they multiply out to the same ratio.

Seeing that 10 * 1.5 = 15, BC * 1.5 should equal 12.

All we do is divide 1.5 from both sides to get 8.

Then, plug it back into the equation to check and it works.

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