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aircomputers1Suivre

24 Mar 2023•0 j'aime•2 vues

24 Mar 2023•0 j'aime•2 vues

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A triangle has a perimeter of 165 cms.The first side is 65 cms less than twice the second side.The third side is 10 cm less than the second side.Write and solve an equation to find the length of each side of the triangle. Solution FIRST, we need variables. Once we define variables, it\'s much easier to turn this word problem into a math problem. Let a = first side Let b = second side Let c = third side NOW, we can turn the words into equations: \"a triangle has a perimeter of 165 cm.\" a + b + c = 165 \"the first side is 65cm less than twice the second side.\" a = 2b - 65 \"the third side is 10cm less than the second side.\" c = b - 10 . Get the idea .....

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- 1. A triangle has a perimeter of 165 cms.The first side is 65 cms less than twice the second side.The third side is 10 cm less than the second side.Write and solve an equation to find the length of each side of the triangle. Solution FIRST, we need variables. Once we define variables, it's much easier to turn this word problem into a math problem. Let a = first side Let b = second side Let c = third side NOW, we can turn the words into equations: "a triangle has a perimeter of 165 cm." a + b + c = 165 "the first side is 65cm less than twice the second side." a = 2b - 65 "the third side is 10cm less than the second side." c = b - 10 . Get the idea ....