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24-04-2020
Mathematics

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amna04352 amna04352

24-04-2020

Answer:

11.4 cm

Step-by-step explanation:

A triangular pyramid has a triangle base and 3 slant triangles

214.5 = ½(10)(10)sin(60) + 3(½)(10)(h)

171.1987298 = 15h

h = 11.41324865

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