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Katena32 [7]
3 years ago
5

NEED HELP ASAP 50 POINTS

Mathematics
2 answers:
Artist 52 [7]3 years ago
6 0

Answer:

  • 120°

Step-by-step explanation:

<u>Diagonal BD of a given rhombus is angle bisector of ∠ADC, so:</u>

  • m∠ADB = m∠CDB

<u>Substitute the values and solve for x:</u>

  • 4x - 12 = 3x + 6
  • 4x - 3x = 6 + 12
  • x = 18

<u>Find the value of ∠ADC:</u>

  • m∠ADC = 2(4*18 - 12) = 120°
omeli [17]3 years ago
4 0

Answer:

Angle ADC = 7x - 6°

Step-by-step explanation:

4x - 12 + 3x + 6 = 7x - 6

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Processing ends successfully

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