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Answer:
x = 70; the labeled angles are 110º and 70º.
Step-by-step explanation:
The full degrees will add up to 180º. There are 2x and +40.
Equation:
Solve:
Since x=70, 70+40 will equal to 110.
Therefore, "x = 70; the labeled angles are 110º and 70º." is correct.
Let and
be, respectively, the length and the width of the rectangle.
If the length is 4 inches more than the width, we have
Moreover, the perimeter of a rectangle is given by
And we can substitute to get
We know that the perimeter is 34 inches:
Which implies