Day 70 everything together

Front

What is a perpendicular bisector?

Back

A line that divides a segment into two equal parts at a 90-degree angle.

Front

In triangle ABC, if AB = 10 inches and BC = 17 inches, what is the maximum possible length of AC?

Back

The maximum length of AC can be 26 inches (AB + BC) and the minimum length can be 7 inches (|AB - BC|).

Front

What is the Triangle Inequality Theorem?

Back

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

Front

If DA is the perpendicular bisector of EI, what can be said about angles IAD and DAE?

Back

Angles IAD and DAE are right angles.

Tags

CCSS.HSG.CO.C.9

Front

If DI = DE, what does this imply about points D, I, and E?

Back

Points D, I, and E are equidistant from point D.

Tags

CCSS.HSG.CO.C.9

Front

What is the centroid of a triangle?

Back

The point where the three medians of the triangle intersect, and it divides each median into a ratio of 2:1.

Tags

CCSS.HSG.CO.C.10

Front

Solve for x: 2x + 3 = 9.

Back

x = 3.

Tags

CCSS.7.EE.B.4A

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Tags

CCSS.6.G.A.1

Front

If MK = 20, what does this represent in a geometric context?

Back

MK could represent the length of a segment or a side in a geometric figure.

Tags

CCSS.HSG.CO.A.1

Front

What is the significance of a centroid in a triangle?

Back

The centroid is the center of mass and is the point of balance for the triangle.

Tags

CCSS.HSG.CO.C.10