Classify Triangles, Triangle Sum Theorem, Triangle Inequality Theorem

Trent made a statement about a triangle. Determine whether his statement is true or false.

• False

• True

• All of the above

If a triangle has two sides of equal length, and the third side is longer than each of these sides, which of the following must be true?

• The third side is less than twice the length of one of the equal sides.

• The third side is exactly twice the length of one of the equal sides.

• The third side is more than twice the length of one of the equal sides.

• None of the above.

If a triangle has sides of lengths 5, 12, and 13, what type of triangle is it?

• Equilateral

• Isosceles

• Scalene

• Right

Tags

CCSS.4.G.A.2

If one side of a triangle measures 8 units and another measures 15 units, what is the range of possible lengths for the third side?

• 7 to 23 units

• 8 to 15 units

• 1 to 22 units

• 7 to 22 units

True or False: A triangle can have sides with lengths 10, 6, and 16.

• True

• False

Tags

CCSS.7.G.A.2

• Equilateral

• Isosceles

• Scalene

• Right-angled

Tags

CCSS.4.G.A.2

Identify the type of triangle

• Isosceles

• Equilateral

• Scalene

Tags

CCSS.4.G.A.2

Classify the triangle with sides of lengths 3 cm, 4 cm, and 5 cm.

• Equilateral

• Isosceles

• Scalene

• Right-angled

Tags

CCSS.4.G.A.2

Which of the following is a correct application of the Triangle Inequality Theorem?

• A triangle with sides 3, 4, and 8 is possible.

• A triangle with sides 10, 6, and 4 is possible.

• A triangle with sides 8, 15, and 22 is possible.

• A triangle with sides 1, 2, and 3 is possible.