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ABCD is a parallelogram in which AB = 7 cm, BC = 9 cm and AC = 8 cm. What is the length (in cm) of other diagonal?
- A14
- B$14\sqrt{2}$
- C7
- D$7\sqrt{2}$
Answer not set
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0
CCommunity
Hello, 14 is correct
0
CCommunity
In parallelogram
2(AB 2+AB 2) = AC 2+BD 2
BD 2 = 2(7 2 +9 2 ) - 8 2 = 196
BD= 14
2(AB 2+AB 2) = AC 2+BD 2
BD 2 = 2(7 2 +9 2 ) - 8 2 = 196
BD= 14