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Right prism on a regular polygon base (equilateral, hexagon): volume or total surface area

This type of question, asked 2 times: 15 Nov 2020 Tier II, 8 Aug 2022 Tier II. All 2 questions below, oldest first.

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  1. Question 1

    15 Nov 2020 Tier II

    36
    The base of a right prism is a regular hexagon of side 5 cm. If its height is 12312\sqrt{3} cm, then its volume (in cm3\text{cm}^3) is:

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  2. Question 2

    8 Aug 2022 Tier II

    66
    The base of a right prism is an equilateral triangle whose side is 10 cm. If height of this prism is 10310\sqrt{3} cm, then what is the total surface area of prism?

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