Question

3
Part A
Consider the similar triangles below:
​

​Find the scale factor?






Part B
Find the length of side
P
R
PR ?

Answer 1

To find the scale factor and the length of side PR between similar triangles, we'll need some specific information such as the lengths of corresponding sides or a diagram showing the similar triangles.

**Part A: Finding the Scale Factor**
1. Identify a pair of corresponding sides from the two triangles.
2. Calculate the scale factor by taking the ratio of the length of a side from one triangle to the length of the corresponding side from the other triangle.

For example, if triangle A has a side length of 4 units and triangle B (the similar triangle) has a corresponding side length of 8 units, the scale factor from triangle A to triangle B would be:
\[
\text{Scale Factor} = \frac{\text{Length of side in triangle B}}{\text{Length of side in triangle A}} = \frac{8}{4} = 2
\]
(meaning triangle B is twice as large as triangle A).

**Part B: Finding the Length of side PR**
1. Once you have determined the scale factor, use it to find the length of PR.
2. If you know the length of a corresponding side in the other triangle, apply the scale factor.

For example, if the corresponding side in the smaller triangle (from which PR is derived) is 6 units and the scale factor is 2, you calculate PR as:
\[
\text{Length of PR} = \text{Length of corresponding side} \times \text{Scale Factor} = 6 \times 2 = 12 \text{ units}
\]

If you provide the specific lengths or details of the triangles, I can assist further with exact calculations.