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dragongacha777
20.08.2019 •
Mathematics
The square tile has a side length of 10.5.what power can you write to represent the area of the tile? write the power as an expression with a base and exponent,the find the area of the square tile. so much!
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Ответ:
Ответ:
The sum of the angles in a triangle is 180°. It means that when you add up the three angles, you would get 180°.
The angle on a straight line, is also 180°.
Since ∠QRT = 45x, then...
∠TRS = 180° - 45x
So now you add up the angles in the triangle:
(180° - 45x) + 25x + (57 + x) = 180°
Combine like terms:
-19x + 237° = 180°
Subtract 237° to both sides:
-19x = -57
Now, divide both sides by -19:
x = 3