Mathematics
Grade9
Easy

Question

If AEDC is a rectangle, then the length of AE is ____.

  1. 5
  2. 10
  3. 12
  4. 66

The correct answer is: 5


    In a rectangle, the diagonals are equal and bisect each other.
    So,
    C E space equals space A D
rightwards double arrow 7 p minus 4 equals 6 left parenthesis 1 plus p right parenthesis
rightwards double arrow 7 p minus 4 equals 6 plus 6 p
rightwards double arrow    p equals 10
    Now, length of AE = 10 - 5 = 5 ANSWER

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