Math 8 Interim #2 Review (Geometry)

Front

What is the value of x if the angle measures 28°?

Back

x = 28°

Front

How do you find the side length X using the scale factor?

Back

First, determine the scale factor, then apply it to find side length X.

Front

How do you translate triangle ABC to triangle A'B'C'?

Back

Use the translation rule (x-2, y+9) to move the triangle.

Front

Which equation is correct to solve for x? 12x - 29 + 4x + 1 = 180

Back

This equation can be solved to find the value of x.

Front

What is the term for a shape after it has been transformed?

Back

The new shape is called an Image.

Front

What is a scale factor in geometry?

Back

A scale factor is a number that scales, or multiplies, some quantity.

Front

What does it mean to translate a shape in geometry?

Back

To translate a shape means to move it from one location to another without changing its size or orientation.

Front

What is the difference between a pre-image and an image?

Back

A pre-image is the original shape before transformation, while an image is the shape after transformation.

Front

How do you calculate the angle measures in a triangle?

Back

The sum of the angles in a triangle is always 180°.

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 * base * height.