<PRE><B>Question 1193331</B>



The diagonals of an isosceles trapezium are equal

BD =AC =15.2 CM

 if AC = 3(x + 7)and BD = 8(x − 6)

  3(x + 7)= 8(x − 6)

3x+21 = 8x-48

rearrange

8x-3x = 21+48

5x =  69

x = 13.8

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