A parallelogram has sides A, B, C, and D. Sides A and B have a length of 3 and sides C and D have a length of 7 . If the angle between sides A and C is (7 pi)/12 , what is the area of the parallelogram?
1 Answer
Mar 13, 2016
20.28 square units
Explanation:
The area of a parallelogram is given by the product of the adjacent sides multiplied by the sine of the angle between the sides.
Here the two adjacent sides are 7 and 3 and the angle between them is
Now
Substituting, A = 7 * 3 * 0.965925826 = 20.28444 sq units.