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Help me math the words in the sentences please.the words can be used twice.

Help me math the words in the sentences please.the words can be used twice.-example-1
User Faraz
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Let's make a diagram to understand better the question:

Number of degrees of c+d is 180° which leads to the equation d=180-c.

We know that the sum of all intern angles of a triangle must add up 180°, then:

Number of degrees of a+b+c is 180 which leads to the equation a+b=180-c

Then, using the two equations, it can be determined that the value of d is equal to the value of


\begin{gathered} d=180-c \\ a+b=180-c \\ So, \\ d=a+b \end{gathered}

Help me math the words in the sentences please.the words can be used twice.-example-1
User Ajadex
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