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Perimeter of a Triangle

A triangular ...

Question

A triangular christmas cake is covered with frosting on the boundary. Find the length frosting that is required.

A

22 inches

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B

23 inches

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C

24 inches

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D

25 inches

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Solution

The correct option is C 24 inches
Length of frosting required = Perimeter of the cake's top

Perimeter = 3 × Side
Perimeter = $3 \times 8$
= 24 inches

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