Determine the perimeter of the following triangle, to the nearest whole unit.

2345

Step-by-step explanation:

 The perimeter is the sum of all sides of the triangle.

  Let us find the sides of the given triangle;

Using sine rule:

                          =  =

To find angle A;

   90 + B + A = 180

    90 + 27 + A = 180

                    A = 180 - 117  = 63°

A =  63°

B = 27°

             =

A = 63°

 a = ?

C = 90°

c = 1000

                =

                 a = 1000Sin63  = 891

               =

B = 27

               =

                b  = 1000Sin27 = 454

The perimeter of the triangle  = a + b + 1000

                                                 = 891 + 454 + 1000

                                                  =2345

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

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step-by-step explanation: