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2 years ago

Can someone explain triangle sum theorem?

Mathematics

2 answers:

alexandr1967 [171]2 years ago

7 0

I suspect you're referring to the fact that the sum of the interior angles of a triangle is always 180 degrees.

Debora [2.8K]2 years ago

5 0

The angle sum property of a triangle is the sum of the interior angles of the given triangle.
The total sum of the interior angels of a triangle =180

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Answer:

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Step-by-step explanation:

Greetings !

Given expression

$(x + 9) {}^{5}$

write 5 as a sum

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$use \: a {}^{m + n} = a {}^{m} \times a {}^{n} to \: expand \: the \: expression.$

$(x + 9) {}^{3} \times (x + 9) {}^{2}$

Use (a+b)³=a³+3a²b+b³ to expand the expression

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Use (a+b)²=a²+2ab+b² to the second expression to expand it

$(x {}^{3} + 27x {}^{2} + 243x + 729) \times(x {}^{2} + 18x + 81)$

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Hope it helps!

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