Grade 5 Math Sample Question 20

Given that a triangle can have at most one angle measuring more than 90 degrees, which of the following statements must be true?

A) A quadrilateral can have at most one angle measuring more than 90 degrees.

B) A triangle can have at most one angle measuring less than 90 degrees.

C) A scalene triangle can have at most one angle measuring more than 90 degrees (Correct Answer)

D) None of the above

Explanation:
Because a scalene triangle is a special type of triangle, then it must have the same attributes as any other triangle. It must have no more than one angle measuring more than 90 degrees.

Related Common Core State Standard: Geometry: 5.G.3

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Ray Shawn