What is 18 percent of 90? = 16.2.
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Square root of 29, use pythagorean theorem
Answer:
m∠ADB = 155°
Step-by-step explanation:
m∠ADB = (m∠C)/2 + 90° = 130°/2 + 90°
m∠ADB = 155°
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Reference brainly.com/question/17443119 for the derivation.
Sum of all angles in a triangle = 180
3rd angle = 180 - 150 = 30
Answer: A
