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The sides of certain triangles are 1.6 cm, 3.8 cm, 4 cm. Determine of are right triangles. |
Answer» A given triangle to be right-angled, if it satisfies Pythagorean Theorem. That is, the sum of the squares of the two smaller sides must be equal to the square of the largest side. 1.6 cm, 3.8 cm, 4 cm Longest side = 4 cm (4)2 = 16 and (1.6)2 + (3.8)2 = 2.56 + 14.44 = 17.00 = 17 16 ≠ 17 It is not a right triangle. |
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