Triangle ABC has been enlarged to triangle A'B'C'. What is the scale factor?
$2$2
$\frac{1}{2}$12
$3$3
$1$1
Triangle A'B'C' has been reduced to form a smaller triangle ABC. What is the scale factor?
Consider the following quadrilaterals.
Which unit do we use to express the scale factor?
interprets the results of measurements and calculations and makes judgements about their reasonableness
analyses two-dimensional and three-dimensional models to solve practical problems