Geometry Questions

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the relationship between congruent sides and base angles in an isosceles triangle?

Back

If two sides of a triangle are congruent, then the angles opposite those sides are also congruent.

Front

How do you find the length of a side in a triangle when given congruent sides?

Back

Set the lengths of the congruent sides equal to each other and solve for the variable.

Tags

CCSS.HSG.CO.B.7

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

Tags

CCSS.8.G.A.5

Front

How do you classify triangles based on their angles?

Back

Triangles can be classified as acute (all angles < 90°), right (one angle = 90°), or obtuse (one angle > 90°).

Tags

CCSS.4.G.A.2

Front

What is the formula to find the height of a triangle given the base and area?

Back

Height = (2 * Area) / Base.

Tags

CCSS.6.G.A.1

Front

What is the definition of a right triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

What is an equiangular triangle?

Back

An equiangular triangle is a triangle where all three angles are equal, and each angle measures 60 degrees.

Tags

CCSS.4.G.A.2

Front

How do you determine the measure of an angle in a triangle if the measures of the other two angles are known?

Back

Subtract the sum of the known angles from 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the significance of the triangle inequality theorem?

Back

The triangle inequality theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.