1) What is the sum of all interior angles of a triangle? a) 180 degrees b) 90 degrees c) 360 degrees d) 270 degrees 2) Which type of triangle has all sides equal? a) Scalene b) Isosceles c) Equilateral d) Right-angled 3) What is the longest side of a right-angled triangle called? a) Base b) Height c) Hypotenuse d) Median 4) Which triangle has two equal sides? a) Scalene b) Isosceles c) Equilateral d) Right-angled 5) What is the name of a triangle with all angles less than 90 degrees? a) Acute b) Obtuse c) Right d) Scalene 6) Which property states that the sum of any two sides of a triangle is greater than the third side? a) Pythagorean b) Triangle inequality c) Congruence d) Similarity 7) What is the perpendicular drawn from a vertex to the opposite side called? a) Median b) Altitude c) Angle bisector d) Perpendicular bisector 8) Which triangle has one angle greater than 90 degrees? a) Acute b) Obtuse c) Right d) Equilateral 9) What is the point where the medians of a triangle intersect called? a) Centroid b) Circumcenter c) Incenter d) Orthocenter 10) Which line segment joins a vertex to the midpoint of the opposite side? a) Altitude b) Median c) Angle bisector d) Perpendicular bisector

Triangle and Its Properties Quiz

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