Solve for A
A=115.837580780188134
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A≔115.837580780188134
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A = \frac{1}{2} {(14)} {(21)} \cdot 0.788010753606722
Evaluate trigonometric functions in the problem
A=\frac{14}{2}\times 21\times 0.788010753606722
Multiply \frac{1}{2} and 14 to get \frac{14}{2}.
A=7\times 21\times 0.788010753606722
Divide 14 by 2 to get 7.
A=147\times 0.788010753606722
Multiply 7 and 21 to get 147.
A=115.837580780188134
Multiply 147 and 0.788010753606722 to get 115.837580780188134.
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