Q. 18 Find the surface area of the pri... [FREE SOLUTION]

91影视

Pre-algebra

Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff

$Math Studyset 91影视 Explanations$ Math

Common Core Edition 路 183 pages

ISBN: 9780547587776

Chapter 11: Q. 18 (page 624)

Find the surface area of the prism, cylinder, or pyramid. Round to the nearest whole number.

Short Answer

Expert verified

The surface area is 1012 square feet.

Step by step solution

Step 1. Given Information.

The figure is shown below.

Step 2. Formula used.

$Areaofcylinder = 蟺 r^{2}$

$CurvedSurfaceareaofcylinder = 2 蟺 r h$

Step 3. Calculation.

Evaluate the area of two circular lids of cylinder.

$\begin{matrix} {Area}_{1} = 2 (蟺脳 7^{2}) \\ = 2 脳 \frac{22}{7} 脳 7 脳 7 \\ = 308 \end{matrix}$

Calculate the area of the curved surface area of cylinder.

$\begin{matrix} {Area}_{2} = 16 脳 2 蟺脳 7 \\ = 16 脳 2 脳 \frac{22}{7} 脳 7 \\ = 704 \end{matrix}$

Total surface area (A) of cylinder is equal to the sum of ${Area}_{1}$ and ${Area}_{2}$ .

$\begin{matrix} A = 308 + 704 \\ = 1012 \end{matrix}$

Step 4. Conclusion.

The surface area of pyramid is 1012 square feet.

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91影视

Find the surface area of the prism, cylinder, or pyramid. Round to the nearest whole number.

Short Answer

Step by step solution

Step 1. Given Information.

Step 2. Formula used.

Step 3. Calculation.

Step 4. Conclusion.

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