To find the area of triangle C, we use the standard area formula for a triangle, which is:
\[ \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} \]
Without knowing the specific dimensions of triangle C, I cannot calculate the exact area. However, I can outline the steps to calculate the area using the formula if you have the base and the height.
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Identify the Base and Height:
- Determine the length of the base of the triangle, \( b \).
- Determine the corresponding height, \( h \), from the base to the opposite vertex.
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Apply the Area Formula:
- Plug the values of the base and height into the area formula: \[ \text{Area} = \frac{1}{2} \times b \times h \]
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Calculate the Area:
- Perform the multiplication and division to find the area.
Since you provided multiple-choice answers, if the answer is supposed to reflect a number you've calculated using this method, then the correct choice would be based on whether you arrived at 10.5 square units or 21 square units.
If triangle C indeed has an area of 10.5 square units, the correct answer would be C. 10.5 square units. If the area is 21 square units, it would be D. 21 square units.
Please provide the dimensions of triangle C if you wish for me to calculate the area directly.