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olya-2409 [2.1K]
2 years ago
9

I need help can someone please help me

Mathematics
1 answer:
makkiz [27]2 years ago
7 0

Answer:

  • The measure of ∠A is 66°.

Step-by-step explanation:

<u>We know that:</u>

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

<u>Now, let's solve the equation. ∠D = ∠A.</u>

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

<u>Now, let's substitute the value of x into any equation.</u>

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

Hence, the measure of ∠A is 66°.

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