nurmukhammada
17.07.2019 •
Mathematics
In △abc,a=13 △ a b c , a = 13 , b=14 b = 14 , and c=18 c = 18 . find m∠a m ∠ a .
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Ответ:
We are asked to solve the pair of equations:
1)
On solving the equation:
2)
Since we combined the like terms.
Now on further simplifying we get:
3)
Now, on combining the like terms we get:
4)