Question

The two triangles below are similar.

Calculate the value of x.
Give your answer as an integer or as a fraction in its simplest form
15 mm
C
3 mm
xmm
D
10 mm
Not drawn accurately

Answer 1

50mm

Explanation:

From the smaller to the larger:

Let s + the scale factor

3s = 10 Divide both sides by 3

s =
`(10)/(3)`

15
`((10)/(3))` =
`(150)/(3)` = 50