The triangle inequality
Types of exercises: can such a triangle exist?, the third side of a triangle.
Exercises are drawn at random from a large bank - every click gives a different set.
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Solved: 0 of 10
Problem
Two sides of a triangle are 2 cm and 12 cm long, and the third side is a whole number of centimetres. What is the largest possible perimeter of this triangle?
Which three segments can form a triangle?
Below are four sets of three segment lengths.
Problem
Two sides of a triangle are 3 cm and 3 cm long, and the third side is a whole number of centimetres. How many lengths of the third side are possible?
Which three segments can form a triangle?
Below are four sets of three segment lengths.
Problem
Two sides of a triangle are 13 cm and 6 cm long, and the third side is a whole number of centimetres. What is the smallest possible perimeter of this triangle?
Which three segments can form a triangle?
Below are four sets of three segment lengths.
Problem
Two sides of a triangle are 2 cm and 11 cm long, and the third side is a whole number of centimetres. How many lengths of the third side are possible?
Which three segments can form a triangle?
Below are four sets of three segment lengths.
Problem
Two sides of a triangle are 9 cm and 3 cm long, and the third side is a whole number of centimetres. What is the smallest possible perimeter of this triangle?
Which three segments can form a triangle?
Below are four sets of three segment lengths.
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