Types of Triangles

How can you identify a scalene triangle?

• By checking that all three sides are of different lengths.

• By ensuring that at least two sides are equal in length.

• By verifying that all angles are equal.

• By measuring that one angle is greater than 90 degrees.

Tags

CCSS.2.G.A.1

What is an obtuse triangle?

• A triangle with all angles measuring less than 90 degrees.

• A triangle that has one angle measuring more than 90 degrees.

• A triangle with two equal sides and one angle measuring 90 degrees.

• A triangle that has all sides of equal length.

Tags

CCSS.4.G.A.2

What is an acute triangle?

• A triangle where one angle is greater than 90 degrees.

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

• A triangle with one right angle.

• A triangle with all angles equal to 90 degrees.

Tags

CCSS.4.G.A.2

What is the difference between a right triangle and an obtuse triangle?

• A right triangle has one angle that is exactly 90 degrees, while an obtuse triangle has one angle that is greater than 90 degrees.

• A right triangle has all angles less than 90 degrees, while an obtuse triangle has one angle that is exactly 90 degrees.

• A right triangle has two equal sides, while an obtuse triangle has all sides of different lengths.

• A right triangle has one angle that is less than 90 degrees, while an obtuse triangle has one angle that is exactly 90 degrees.

Tags

CCSS.4.G.A.2

What is the sum of the angles in any triangle?

• 150 degrees

• 180 degrees

• 90 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

What is a right triangle?

• A triangle with all angles measuring less than 90 degrees.

• A triangle that has one angle measuring 90 degrees.

• A triangle with two equal sides.

• A triangle that has no equal sides.

Tags

CCSS.4.G.A.2

How can you identify an isosceles triangle?

• By finding at least two sides that are of equal length.

• By ensuring all three sides are of different lengths.

• By measuring the angles and ensuring they are all equal.

• By checking if one angle is greater than 90 degrees.

Tags

CCSS.2.G.A.1

What is an equilateral triangle?

• A triangle with all sides of different lengths and angles measuring 90 degrees.

• A triangle where all three sides are of equal length and all three angles are equal, each measuring 60 degrees.

• A triangle that has one angle measuring 90 degrees and the other two angles measuring 45 degrees each.

• A triangle with two sides of equal length and one side of a different length.

Tags

CCSS.4.G.A.2

What is the formula for finding the area of a triangle?

• Area = base * height

• Area = 1/2 * base * height

• Area = base + height

• Area = base - height

Tags

CCSS.6.G.A.1

What is an isosceles triangle?

• A triangle with all sides of different lengths.

• A triangle that has at least two sides of equal length and the angles opposite those sides are equal.

• A triangle that has one right angle.

• A triangle with all sides of equal length.

Tags

CCSS.4.G.A.2