Mathematics
Grade9
Easy

Question

Direction : Among given options only for this figure perpendicular bisector theorem is used.

Find AB.

  1. 2
  2. 8
  3. 4
  4. 12

hintHint:

In this question, if we apply perpendicular bisector theorem we get AB = AC. By applying this equation, we can solve the problem.

The correct answer is: 12


    Step by step solution:
    AB=AC
    rightwards double arrow4x + 4 = 8x – 4
    rightwards double arrow4x = 8
    rightwards double arrowx = 2
    AB = 4 x 2 + 4 = 12 units
    Hence, option(a) is the correct option.

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