Kat bought an antique Métis oil lamp. The reservoir is a pyramid with a regular pentagonal base. A diagram of the base interior is shown on the right. The reservoir has an interior height of 10 cm. What is the capacity of the oil reservoir, to the nearest millilitre? b=6.8 cm h = 5.0 cm

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A: Given: The scale drawing of a rectangular city park measures 10.0 cm by 5.0 cm.

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A: A= a^2 + 2a √ a^2/4 +h^2  where A is the cross section area   a = base , h= height  A= 69.669 cm^2

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Q: -a = 3, b= 4, C = 40"

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