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HACTEHA [7]
3 years ago
10

Find the value of x.........

Mathematics
2 answers:
Elan Coil [88]3 years ago
4 0
The left triangle:
75 + 50 + x = 180
125 + x = 180
Subtract 125 from both sides.
x = 55 degrees

The center angle on the right triangle is also 55 degrees because the angles are vertical angles.

55 + 85 + x = 180
140 + x = 180
Subtract 140 from both sides.
x = 40 degrees
GREYUIT [131]3 years ago
3 0
The angles of a triangle should add up to 180 degrees. in the left triangle, you should find the 3rd angle

75 + 50 + y = 180
125 + y = 180
y = 55

vertical angles are congruent, so the left angle on the right triangle will also be 55 degrees. 

then you do the same thing to find x.

85 + 55 + x = 180
140 + x = 180
x = 40


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The length will be calculated thus:

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<h3>How can the step function be written?</h3>

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\begin{cases}f(x) = 70^{\circ }  & \text{ if } 0 \leq x \leq 3 \\f(x) = 50^{\circ} & \text{ if } 3 < x \leq 6 \\ f(x) = 35^{\circ }& \text{ if } 6 < x \leq 12 \end{cases}

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