Triangles
Types of exercises: can a triangle be made, the third side of a triangle, angles and the type of triangle, angles of an isosceles triangle - all cases.
Exercises are drawn at random from a large bank - every click gives a different set.
Solved: 0 of 10
Problem
Two sides of a triangle are 3 cm and 7 cm long. The third side is a whole number of centimetres. How many different lengths can the third side have?
Problem
Can you make a triangle from segments of 7 cm, 9 cm and 14 cm?
Problem
One angle of an isosceles triangle is 76°. What can the angle between the two equal sides of this triangle be?
Problem
Two angles of a triangle are 50° and 40°. What kind of triangle is it?
Problem
Two sides of a triangle are 5 cm and 11 cm long. The third side is a whole number of centimetres. What is the smallest possible length of the third side?
Problem
Can you make a triangle from segments of 6 cm, 9 cm and 9 cm?
Problem
One angle of an isosceles triangle is 158°. What can a base angle of this triangle be?
Problem
Is there a triangle with angles of 51°, 47° and 82°?
Problem
Two sides of a triangle are 11 cm and 12 cm long. The third side is a whole number of centimetres. What is the greatest possible length of the third side?
Problem
Can you make a triangle from segments of 9 cm, 9 cm and 18 cm?
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