ID Triangles & Triangle Properties

Front

A triangle that has three sides with the same length.

Back

Equilateral triangle

Tags

CCSS.4.G.A.2

Front

Which triangle congruence theorem can be used to prove the triangles are congruent? (Options: AAS, SSS, SAS, SSA)

Back

SAS

Tags

CCSS.HSG.SRT.B.5

Front

Which triangle congruence theorem can be used to prove the triangles are congruent? (Options: SAS, SSS, ASA, HL)

Back

SSS

Tags

CCSS.HSG.SRT.B.5

Front

A triangle that has at least two sides with the same length.

Back

Isosceles triangle

Tags

CCSS.4.G.A.2

Front

Any triangle that contains one angle that measures exactly 90 degrees is a _________ triangle.

Back

Right triangle

Tags

CCSS.4.G.A.2

Front

A triangle with all sides of different lengths is called a _________ triangle.

Back

Scalene triangle

Tags

CCSS.4.G.A.2

Front

The sum of the interior angles of a triangle is _________ degrees.

Back

180 degrees

Front

In a right triangle, the side opposite the right angle is called the _________.

Back

Hypotenuse

Front

The Pythagorean theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. This can be expressed as _________.

Back

a² + b² = c²

Tags

CCSS.8.G.B.8

Front

A triangle with one angle greater than 90 degrees is called an _________ triangle.

Back

Obtuse triangle

Tags

CCSS.4.G.A.2