Question: In parallelogram ABCD, diagonals AC and BD intersect at point O. If AO = 3 cm and BO = 4 cm, what is the length of diagonal AC?
A) 6 cm
B) 7 cm
C) 8 cm
D) 9 cm
Correct answer: A
Grade: 7 | Topic: Geometry | Difficulty: Medium | Standard: 7. G. B. 4