Geometry Quiz - III (Triangles)

Classify each triangle by its angles and sides.

• Acute, Isosceles

• Obtuse, Isosceles

• Right, Scalene

• Equiangular, Equilateral,

• Acute, Scalene

Classify each triangle by its angles and sides.

• Acute, Isosceles

• Obtuse, Isosceles

• Right, Scalene

• Equiangular, Equilateral,

• Acute, Scalene

Classify each triangle by its angles and sides.

• Acute, Isosceles

• Obtuse, Isosceles

• Right, Scalene

• Equiangular, Equilateral,

• Obtuse, Scalene

Classify each triangle by its angles and sides.

• Acute, Isosceles

• Obtuse, Isosceles

• Right, Scalene

• Equiangular, Equilateral,

• Obtuse, Scalene

A scalene triangle has...

• All congruent sides

• Two congruent sides

• No congruent sides

An obtuse triangle has...

• One angle greater than 90°

• A right (90°) angle

• All angles less than 90°

• All congruent angles

An acute triangle has...

• One angle greater than 90°

• All angles that are less than 90°

• All angles that are greater than 90°

• A right (90°) angle

An isosceles triangle has...

• No congruent sides

• All congruent sides

• Two congruent sides

An equilateral triangle has...

• All congruent sides

• Two congruent sides

• No congruent sides

A right triangle has...

• One right (90°) angle

• All angles less than 90°

• All angles greater than 90°