Answer:
Base: 3 cm
Height: 7 cm
Explanation:
The area of a parallelogram is base × height = area. We're given the area of the parallelogram as 21 cm^2 and the height as 7 cm.
- base × 7 = 21
- This means that the base must be 3 cm because 3 × 7 = 21.
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