We see here in the diagram that the base is a. We know this because the height is perpendicular to it. We also know the height is bsin(C) which, when replace h for bsin(C) and a for the base, we get A=absin(C), which is the second option.
Right triangles can be proven to be congruent by knowing that the hypotenuse and leg of one are congruent to the hypotenuse and
2 answers:
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Answer: 918km^2
Step-by-step explanation:
Let x be the new dimension of the area;