Respuesta :

Answer:

  • The measure of ∠A is 66°.

Step-by-step explanation:

We know that:

  • ∠A = 3x + 18
  • ∠D = 4x + 2
  • ∠D = ∠A

Now, let's solve the equation. ∠D = ∠A.

  • => 3x + 18 = 4x + 2
  • => -2 + 18 = x
  • => 16 = x

Now, let's substitute the value of x into any equation.

  • => 4x + 2
  • => 4(16) + 2
  • => 66°

Hence, the measure of ∠A is 66°.

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