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blsea [12.9K]
3 years ago
9

Lateral area of a prism

Mathematics
1 answer:
olchik [2.2K]3 years ago
3 0
<span>     The surface area of a right prism can be calculated using the following formula: SA 5 2B 1 hP, where B is the area of the base, h is the height of the prism, and P is the perimeter of the base. The lateral area of a figure is the area of the non-base faces only.</span>
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nalin [4]

The total area of the face of the watch to the nearest tenth of a square centimemter is 9.0 cm²

Since an electronics company is designing a watch with a face that is in the shape of a hexagon and two congruent trapezoids attached. The heights of the trapezoids and the apothem of the hexagon measure 2 centimeters each, and the length of the shorter base of each trapezoid is 1.5 centimeters, the radii of the hexagon, and the base of the trapezoid form a triangle of

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So, the area of this triangle is A = 1/2bh

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Since there are 6 of such triangles in the hexagon, the area of the hexagon, A' = 6A

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Learn more about area of a hexagon here:

brainly.com/question/369332

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