Find the value of x when ABCD is a quadrilateral and its four angles are 95°, 87°, 128°, 5x°
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Answered by
7
Answer:
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Answered by
1
Answer:
10°
Step-by-step explanation:
=> 95° + 87° + 128° + 5x° = 360°
=> 310° + 5x = 360°
=> 5x = 360 - 310
=> 5x = 50
=> x = 50/5
=> x = 10
hope it helps you
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