3 years ago

A candle is in the shape of a square pyramid. Its height is 5 cm and its slant height is 8 cm

1 answer:

3 0

Using the Pythagoras theorem

8^2 = 5^2 + x^2 where x = 1/2 length of the base

x^2 = 64-25 = 39

x = = sqrt39 = 6.24

so base length = 2*6.24 = 12.5 cm to nearest tenth

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