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dimaraw [331]
3 years ago
15

2. What is the value of x if the angles within a triangle are 2x +1, 7x-2 and 3x +5?

Mathematics
1 answer:
noname [10]3 years ago
8 0

Answer:

 x=14.67\\°

Step-by-step explanation:

The sum of all the three angles of any triangle is 180°

Putting sum of all the angles given equals to 180°

                      (2x+1)+(7x-2)+(3x+5)=180°

                              2x+7x+3x+1-2+5=180°

                                                         12x+4=180°

                                                                   x=\frac{180-4}{12}

                                                                   x=14.67\\°

The value of the x is found on solving the given angles of the triangles.

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