- A14 cm
- B12 cm
- C√130 cm
- D16 cm
Step-by-Step Solution
In a parallelogram, the sum of the squares of the diagonals equals the sum of the squares of the four sides: , so and cm.
Answer: A) 14 cm
A parallelogram has sides 7 cm and 9 cm, and one diagonal is 8 cm. How long is the other diagonal?
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