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user100 [1]
3 years ago
10

Solve for x in the diagram below. 200 (3x + 10°

Mathematics
2 answers:
JulijaS [17]3 years ago
5 0

Answer:

\boxed{x\degree = 20\degree}

Step-by-step explanation:

Two Angles are Complementary when they add up to 90° (a Right Angle).

=  > x\degree + (3x + 10)\degree = 90\degree \\  \\  =  > x\degree + 3x\degree + 10\degree = 90\degree \\  \\  =  > 4x\degree + 10\degree = 90\degree \\  \\  =  > 4x\degree = 90\degree - 10\degree \\  \\  =  > 4x\degree = 80\degree \\  \\  =  > x\degree =  \frac{80}{4} \degree \\  \\  =  > x\degree = 20\degree

KiRa [710]3 years ago
3 0

Answer:

x = 20°

Step-by-step explanation:

4x + 10 = 90

4x = 80

x = 20

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