Let the blank area be C.

A+C =8×8=64 (square centimeter)

So,

B+C = A +8+ C。

=64+8

=72 (square centimeter)

Therefore, the length of AB is

72×2÷8-8

= 18-8

= 10 (cm)

Reflections on solving mathematical application problems

1. Read through the topic first to get a general idea of what the topic describes.

Read the questions carefully and see what you need.

3. Read the topic carefully to see what conditions are there, what conditions are related to the problem, and what is the relationship.

4. Think about the methods and formulas that should be used.

5. List the corresponding formulas or equations.

6. Calculate or solve equations

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