How to find the second angle in a triangle for law of sines?

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Ответ:

henriquetucker

15.08.2020

Mathematics

For this case we must solve the following equation:

$\frac {2} {5} + p = \frac {4} {5} + \frac {3} {5}$

Since the denominators on the right side of the equation are equal, then we add the fractions:

$\frac {2} {5} + p = \frac {4 + 3} {5}\\\frac {2} {5} + p = \frac {7} {5}$

We subtract $\frac {2} {5}$ on both sides of the equation:

$p = \frac {7} {5} - \frac {2} {5}\\p = \frac {7-2} {5}\\p = \frac {5} {5}\\p = 1$

Thus, the value of p is 1.

p = 1

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