Question

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Answer 1

∠ABC= 60°

Explanation:

• It's a right angle so ∠ABD= 90°

• Add 2x° and x° and you get 3x°
• 3x°= 90°
• Divide both sides by 3 to get value of x
• x°=30
• Find ∠ABC
• 2x°= 60°