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BritneeLeary BritneeLeary
  • 14-12-2015
  • Mathematics
Answered



In quadrilateral ABCD, AE=x+6 and BE=3x-18 For what value of x is ABCD a rectangle?

A14
B16
C12
D18

In quadrilateral ABCD, AE=x+6 and BE=3x-18 For what value of x is ABCD a rectangle? a. 14 b. 16 c. 12 d. 18 class=

Verified Answer :

Panoyin
Panoyin Panoyin
  • 14-12-2015

x + 6 = 3x - 18
- x          - x
       6 = 2x - 18
  + 18        + 18
     24 = 2x
      2      2
     12 = x

The answer is C.

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