Question

Each pair of figures is similar. Find the missing length. Round to the nearest tenth where necessary. ​

Answer 1

x=5 and n=36

Explanation:

For the first question: 32/8 = 4/1

4/1 = 20/x

4x = 20

x = 5

For the second question: 63/81 = 21/27

21/27 = 28/x

21x = 756

x = 36