Geometry Semester Review Topic 1

Front

What does it mean for points to be collinear?

Back

Points are collinear if they lie on the same straight line.

Front

Name a point collinear to points S and T.

Back

R is a point collinear to points S and T.

Front

What is the distance formula?

Back

The distance formula is d = √((x2 - x1)² + (y2 - y1)²), used to find the distance between two points in a coordinate plane.

Front

Find the value of x if 2x + 3 = 15.

Back

x = 6.

Front

If X is the midpoint of segment WY, what is the relationship between WX and XY?

Back

WX = XY, since the midpoint divides the segment into two equal parts.

Front

If WX = 3x - 1 and WY = 10x - 26, find XY when X is the midpoint.

Back

XY = 17.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

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.

Front

What is a complementary angle?

Back

Two angles are complementary if the sum of their measures is 90 degrees.