In the given figure, ABCD is a parallelogram. AE \( \bot \) BC. AE is 10 cm. Area of parallelogram is 640 cm2. If BC ∶ AB is 8 ∶ 6, then the perimeter of the parallelogram (in cm) is :
1
56
2
84
3
224
4
112
In the given figure, ABCD is a parallelogram. AE \( \bot \) BC. AE is 10 cm. Area of parallelogram is 640 cm2. If BC ∶ AB is 8 ∶ 6, then the perimeter of the parallelogram (in cm) is :