To find the value of \( b \), you first need to calculate the value of \( a \) given by the expression:
\[ a = \frac{6^2}{2} + 20 \]
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Calculate \( 6^2 \): \[ 6^2 = 36 \]
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Substitute \( 36 \) into the expression: \[ a = \frac{36}{2} + 20 \]
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Divide \( 36 \) by \( 2 \): \[ \frac{36}{2} = 18 \]
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Add \( 20 \) to \( 18 \): \[ a = 18 + 20 = 38 \]
Now, if you need to find the value of \( b \) based on the calculated \( a \), we need more information about how \( b \) relates to \( a \). If \( b \) is defined in relation to \( a \) or in a specific equation or system, please provide that context so I can assist you further.