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Question
Two diagonals of an isosceles trapezium are x cm and (3x – 8) cm. Find the value of x.
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Solution
∵ The diagonals of an isosceles trapezium are of equal length
∴ 3x – 8 = x
⇒ 3x – x = 8 cm
⇒ 2x = 8 cm
⇒ x = 4 cm
∴ The value of x is 4 cm
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