Geometry Support SEM1 Review

Front

What is a point in geometry?

Back

A point is a precise location or position in space, represented by a dot and having no size or dimension.

Front

What is the degree value of X if it is 45 degrees?

Back

X = 45 degrees.

Front

What is the transformation that changes the size of a figure?

Back

Dilation is the transformation that changes the size of a figure while maintaining its shape.

Front

What is a reflection in geometry?

Back

A reflection is a transformation that creates a mirror image of a figure across a line.

Front

What is the formula for Sine in a right triangle?

Back

Sine = Opposite side / Hypotenuse.

Front

What is a circle in geometry?

Back

A circle is a set of points in a plane that are equidistant from a fixed point called the center.

Front

What is the difference between translation and rotation?

Back

Translation moves a figure without changing its orientation, while rotation turns a figure around a fixed point.

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 a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.