Question: 2. A factory makes window frames. Type 1 has one windowpane, type 2 has four windowpanes, type 3 has 9 windowpanes, and so on. 2.1

2. A factory makes window frames. Type 1 has one windowpane, type 2 has four windowpanes, type 3 has 9 windowpanes, and so on. 2.1 Draw the diagram for type 5 and state how many windowpanes will be in type 5. (3) 2.2 How many windowpanes will there be in type 6? (2) 2.3 How many windowpanes will there be in type 7? (2) 2.4 How many windowpanes will there be in type 12? Explain. (3) 2.5 Give the general rule to calculate the number of windowpanes in the nth pattern. (2) 2.6 If there are 400 windowpanes, calculate the type.

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