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Mathematics 12 Online
OpenStudy (anonymous):

Geometry, please help!

OpenStudy (anonymous):

Triangle PQR is similar to triangle ABC in the figure below. What is the perimeter of triangle ABC?

OpenStudy (oaktree):

Use a proportion to find that the missing side is 3.

OpenStudy (cunningham2000):

Use ratios to solve 4/4.8 and 5/6 I'd use the five:six 5/6 = 2/x You can cross-multiply to solve. You can also use scaling factors to solve. 5x=6 4x=4.8 Once you solve for x you can multiply 2 times your x and you will have your missing side of the larger triangle.

OpenStudy (anonymous):

@cunningham2000 Is the perimeter 13.2?

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