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The lengths of the sides of a triangle are 18 km, 23 km, and 30 km. Is the triangle a right triangle, an acute triangle, or an obtuse triangle???

User Hidroto
by
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1 Answer

3 votes

a^2 + b^2 = c^2 is right a^2 + b^2 > c^2 is acute a^2 + b^2 < c^2 is obtuse

a^2 + b^2 = c^2

18^2 + 23^2 = 30^2

324 + 529 = 900

853 < 900

obtuse


User Kandis
by
7.7k points

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