tfmooning
15.07.2020 •
Mathematics
Which an expression that is equivalent to 3/4p + 15 1/3(p+45) 1/3(p+5) 3(p+45) 3(p+5)
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Ответ:
x = 16°, y = 116°
Step-by-step explanation:
Angles inside a U-shape add up to 180°.
Hence (6x + 20)° + (4x)° = 180°
10x = 160°
x = 16°
Since the slanted sides of the trapezium are equal, y is equal to (6x + 20).
(6x + 20)° = (6(16) + 20)° = 116° = y