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16 votes
16 votes
the lengths of the sides of the triangles are given. classify the triangle as acute right or obtuse 4,8,7

User Paulo Lopes
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1 Answer

5 votes
5 votes

Given any three sides of a triangle a, b, c

where c is the bigges


\begin{gathered} if^{\text{ }}a^2+b^2>c^2 \\ \text{then the triangle is acute} \end{gathered}
\begin{gathered} if^{\text{ }}a^2+b^2In this case, c=8, a=4, b=7[tex]\begin{gathered} a^2+b^2=4^2+7^2=65>64=8^2=c^2 \\ \text{then this triangle is acute} \end{gathered}

User David Safrastyan
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3.1k points