HELP 100 POINTS What is the measure of ∠A in the image below?
Answer
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semsee45 6 months ago
Светило науки - 3810 ответа - 0 помощи

Answer:

A.  m∠A = 45°

Step-by-step explanation:

Vertical angle theorem:  opposite angles are congruent

⇒ 3x = x + 30

⇒ 2x = 30

⇒ x = 15

As m∠A = 3x

⇒ m∠A = 3 × 15 = 45°

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MisterBrainly 6 months ago
Светило науки - 2681 ответа - 0 помощи

Opposite angles are equal

So

  • <A=3(15)=45

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