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There is a need of ramp in a company. The ramp shown in the fi

Question

There is a need of ramp in a company. The ramp shown in the figure must be placed at an angle of $3 0^{o}$ , eight feet from the bottom step. Calculate the approximate length of the ramp.

67

116

128

134

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Daniel Discussed

There is a need of ramp in a company. The ramp shown in the figure must be placed at an angle of

3 0^{o}

, eight feet from the bottom step. Calculate the approximate length of the ramp.

7 mins ago

Discuss this question LIVE

7 mins ago

Text solutionVerified

Distance of ramp bottom from bottom step

8

feet

= 8 \times 12 = 96

inches

Distance of ramp bottom from building bottom

= 96 + 20 = 116

inches

Therefore,

cos (30) = \frac{3}{2}

= \frac{116}{x}

\Rightarrow x = 134

inches

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Question Text	There is a need of ramp in a company. The ramp shown in the figure must be placed at an angle of $3 0^{o}$ , eight feet from the bottom step. Calculate the approximate length of the ramp.
Answer Type	Text solution:1
Upvotes	150