Solve the Problem $30 \mathrm {~m}$ And It Is $18 \mathrm {~m}$

question 38

Multiple Choice

Solve the problem.
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A tunnel is in the shape of a parabola. The maximum height is $30 \mathrm {~m}$ and it is $18 \mathrm {~m}$ wide at the base. What is the vertical clearance $2 \mathrm {~m}$ from the edge of the tunnel?

• A) \(11.9 \mathrm {~m}\)
• B) \(28.5 \mathrm {~m}\)
• C) \(18.1 \mathrm {~m}\)
• D) \(1.5 \mathrm {~m}\)

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