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1 Let the sides be 15x and 8x

2 So: 0.5*15x*8x = 297.0375 => 120x2 = 594.075

3 Divide both sides by 120 and then square root both sides

4 Then: x = 2.225 so sides are 15*2.225 = 33.375 cm and 8*2.225 = 17.8 cm

5 Hypotenuse: 17*2.225 = 37.825 cm because its part of a Pythagorean triple

6 Perimeter: 37.825+33.375+17.8 = 89 cm

7 Check: 0.5*33.375*17.8 = 297.0375 square cm

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Q: What is the hypotenuse and perimeter of a right angle triangle when its sides are in the ratio of 15 to 8 having an area of 297.0375 square cm showing all work?
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