A parallelogram has sides A, B, C, and D. Sides A and B have a length of #7 # and sides C and D have a length of # 9 #. If the angle between sides A and C is #(3 pi)/8 #, what is the area of the parallelogram?

Answer 1

#=58.2#

Area#=ab sintheta# #=(7)(9) sin(3pi/8)# #=63(0.9238)# #=58.2#
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Answer 2

To find the area of the parallelogram, we can use the formula:

[ \text{Area} = \text{base} \times \text{height} ]

Given that sides A and B have a length of 7, and sides C and D have a length of 9, the base of the parallelogram can be taken as 7 (or 9, as both sides are parallel and opposite sides of a parallelogram are equal in length).

To find the height of the parallelogram, we can use the formula for the area of a parallelogram:

[ \text{Area} = \text{base} \times \text{height} ]

Since the angle between sides A and C is ( \frac{3\pi}{8} ), we can use trigonometry to find the height. The height of the parallelogram can be represented as:

[ \text{height} = \text{AC} \times \sin\left(\frac{3\pi}{8}\right) ]

[ \text{height} = 9 \times \sin\left(\frac{3\pi}{8}\right) ]

[ \text{height} = 9 \times \sin\left(\frac{3\pi}{8}\right) ]

[ \text{height} = 9 \times \sin\left(\frac{3\pi}{8}\right) ]

[ \text{height} = 9 \times \sin\left(\frac{3\pi}{8}\right) ]

[ \text{height} = 9 \times \sin\left(\frac{3\pi}{8}\right) ]

[ \text{height} \approx 9 \times 0.9239 ]

[ \text{height} \approx 8.315 ]

Now, we can calculate the area of the parallelogram:

[ \text{Area} = 7 \times 8.315 ]

[ \text{Area} \approx 58.205 ]

So, the area of the parallelogram is approximately 58.205 square units.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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