Solve for D
D=5.15205
Assign D
D≔5.15205
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D=\frac{1}{2}\times 3.21^{2}
Multiply 0.642 and 5 to get 3.21.
D=\frac{1}{2}\times 10.3041
Calculate 3.21 to the power of 2 and get 10.3041.
D=\frac{103041}{20000}
Multiply \frac{1}{2} and 10.3041 to get \frac{103041}{20000}.
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