Isosceles Triangles practice

Front

What defines an isosceles triangle?

Back

An isosceles triangle is defined as a triangle that has at least two sides of equal length.

Tags

CCSS.2.G.A.1

Front

What is the base of an isosceles triangle?

Back

The base of an isosceles triangle is the side that is not equal in length to the other two sides.

Front

What is the vertex angle in an isosceles triangle?

Back

The vertex angle is the angle opposite the base, formed by the two equal sides.

Tags

CCSS.HSG.CO.C.11

Front

How do you find the missing angle in a triangle?

Back

To find the missing angle in a triangle, use the fact that the sum of all angles in a triangle is 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the relationship between the angles in an isosceles triangle?

Back

The angles opposite the equal sides are also equal.

Tags

CCSS.HSG.CO.C.10

Front

If the base angles of an isosceles triangle are 50 degrees, what is the vertex angle?

Back

The vertex angle would be 80 degrees, calculated as 180 - (50 + 50).

Tags

CCSS.8.G.A.5

Front

What is the formula for the area of a triangle?

Back

The area of a triangle can be calculated using the formula: Area = 1/2 * base * height.

Tags

CCSS.6.G.A.1

Front

How can you determine if a triangle is isosceles using side lengths?

Back

If two sides of a triangle are of equal length, then the triangle is classified as isosceles.

Tags

CCSS.2.G.A.1

Front

What is the significance of the base in an isosceles triangle?

Back

The base is significant as it helps in determining the height and area of the triangle.

Front

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

Back

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

Tags

CCSS.8.G.A.5