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A glass prism on a chandelier is 57 millimeters long. A base of the prism is an equilateral triangle with side lengths of 8 millimeters and a height of about 5.2 millimeters. What is the approximate surface
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Jun 21, 2022
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A glass prism on a chandelier is 57 millimeters long. A base of the prism is an
equilateral triangle with side lengths of 8 millimeters and a height of about 5.2
millimeters. What is the approximate surface area of the prism?
Pleasee help!!
Mathematics
high-school
Giladbi
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Giladbi
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Answer:
1410 mm²
Explanation:
Given triangle prism with:
a = 8mm, h = 5.2 mm, l = 57 mm
Total surface area:
S = Pl + ah = 3al + ah = a(3l + h)
S = 8(3*57 + 5.2) = 1409.6 mm² ≈ 1410 mm²
Pheaver
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Jun 27, 2022
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Pheaver
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