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pickupchik [31]
3 years ago
14

Given the parallelogram ABCD, solve for X when angle A equals (30+ 5x)° and angle D equals (15+10x)° degrees. Also, sides AB and

CD opposite each other.
Mathematics
2 answers:
In-s [12.5K]3 years ago
7 0

Answer:

x = 9 on APX

Step-by-step explanation:

Mamont248 [21]3 years ago
6 0

Answer:

  x = 9

Step-by-step explanation:

Adjacent angles A and D are supplementary:

  (30 +5x)° +(15 +10x)° = 180°

  15x +45 = 180 . . . . . collect terms, divide by °

  15x = 135 . . . . . . . . . subtract 45

  135/15 = x = 9 . . . . . divide by the coefficient of x

The value of x is 9.

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