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Solve this as fast as you can |
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Answer» LET one SIDE = x greater side = 40+x area = 475 height = 19 area = 1/2 (sum of parallel sides) h 475 = 1/2 (40+x+x) 19 475 = 1/2 × 40 + 2x × 19 475 = 20 +2x × 19 475-20 = 2x × 19 455 = 2x × 19 455/19 = 2x 23.9 = 2x 23.9/2 = x 11.9 = x Other side = 11.9 CM |
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