Triangles

What is a triangle?

• A triangle is a polygon with five sides and five angles.

• A triangle is a polygon with four sides and four angles.

• A triangle is a polygon with three sides and three angles.

• A triangle is a polygon with two sides and two angles.

Tags

CCSS.2.G.A.1

How many sides does a triangle have?

• 4

• 5

• 6

• 3

Tags

CCSS.2.G.A.1

What is an equilateral triangle?

• A triangle with all three angles equal.

• A triangle with two sides equal in length.

• A triangle with one side longer than the other two sides.

• A triangle with all three sides equal in length.

Tags

CCSS.4.G.A.2

What is an isosceles triangle?

• A triangle with one equal side.

• A triangle with no equal sides.

• A triangle with three equal sides.

• A triangle with two equal sides.

Tags

CCSS.4.G.A.2

What is a scalene triangle?

• A scalene triangle is a triangle that has two equal sides.

• A scalene triangle is a triangle that has three equal sides.

• A scalene triangle is a triangle that has one right angle.

• A scalene triangle is a triangle that has three unequal sides.

Tags

CCSS.4.G.A.2

What is an acute triangle?

• A triangle in which all three angles are greater than 90 degrees.

• A triangle in which all three angles are less than 90 degrees.

• A triangle in which all three angles are equal to 90 degrees.

• A triangle in which one angle is greater than 90 degrees.

Tags

CCSS.4.G.A.2

What is a right triangle?

• A right triangle is a triangle that has one angle measuring 180 degrees.

• A right triangle is a triangle that has one angle measuring 45 degrees.

• A right triangle is a triangle that has one angle measuring 60 degrees.

• A right triangle is a triangle that has one angle measuring 90 degrees.

What is an obtuse triangle?

• A triangle with one angle less than 90 degrees.

• A triangle with all angles equal to 90 degrees.

• A triangle with one angle equal to 90 degrees.

• A triangle with one angle greater than 90 degrees.

Tags

CCSS.4.G.A.2

What is the sum of the angles in a triangle?

• 180

• 360

• 270

• 90

Tags

CCSS.8.G.A.5

What is the name of a triangle with one angle greater than 90 degrees?

• acute triangle

• right triangle

• equilateral triangle

• obtuse triangle

Tags

CCSS.4.G.A.2