7th FA 1 Scale and Scale Factor

Front

What is the definition of scale?

Back

Size or proportion in relation to another object.

Front

If a rectangle has a length of 8 cm and a width of 4 cm, and it is scaled by a factor of 0.5, what are the dimensions of the new rectangle?

Back

The dimensions of the new rectangle are 4 cm by 2 cm.

Front

If the scale factor is 0.5, what happens to the dimensions of an object?

Back

The dimensions of the object are reduced by half.

Front

If a line segment is 5 cm long and it is scaled by a factor of 3, what is the length of the new line segment?

Back

15 cm.

Front

How is the scale factor calculated?

Back

By dividing the length of the image or object in the new scale by the length of the image or object in the original scale.

Front

What happens to the dimensions of an object when the scale factor is greater than 1?

Back

The dimensions of the object are increased.

Front

What is a scale factor?

Back

A number that describes how much a figure is enlarged or reduced.

Front

If a triangle has sides of 3 cm, 4 cm, and 5 cm, and is scaled by a factor of 2, what are the new side lengths?

Back

6 cm, 8 cm, and 10 cm.

Front

What is the effect of a scale factor of 1 on an object's dimensions?

Back

The dimensions of the object remain the same.

Front

If a square has a side length of 6 cm and is scaled by a factor of 0.5, what is the area of the new square?

Back

The area of the new square is 9 cm².