Substitute the Given Values into the Formula and Solve for the Unknown

question 86

Multiple Choice

Substitute the given values into the formula and solve for the unknown variable.
- $\mathrm { A } = \frac { 1 } { 2 } ( \mathrm {~B} + \mathrm { b } ) \mathrm { h } ; \mathrm { A } = 166.5 , \mathrm {~b} = 18 , \mathrm {~B} = 19$

• A) 9
• B) 342
• C) 148
• D) \(18 \frac { 1 } { 2 }\)

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