A shelf is built on a wall, as shown below. What is the value of x?
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Answer:
the right answer of photo
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Answer:
x = 25°
Step-by-step explanation:
(2x-10°) + x + 25 ° + 90 ° = 180 ° (Angle Sum Property of a Triangle)
therefore ,
3x = 75
and x = 25°
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