Respuesta :

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

Triangle diagram

p = ?

Step 02:

We must apply the triangle rules to find the solution.

2p + 4p + 42 = 180

6p = 180 - 42

p = 138 / 6

p = 23

The answer is:

The value of p is 23

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