Question

how many more sides does a decagon have than a heptagon?
□ sides
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Explanation:

Step1: Recall sides of decagon

A decagon has 10 sides.

Step2: Recall sides of heptagon

A heptagon has 7 sides.

Step3: Calculate the difference

Subtract the number of sides of heptagon from decagon: \(10 - 7 = 3\).

Answer:

3