The square of a binomial is written like
In your case, you have , which implies
So, we want to write
But our left hand side is
If we add 26 to both sides, we have
What is the value of 12 (8 + 9)? 105 204 357 864
2 answers:
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Answer:
Step-by-step explanation:
An obtuse angle in the triangle is opposite to the greatest side. The greatest side in the triangle with sides lengths 2, 2 and 3 is side with length 3. By the cosine rule,