Answer:
d
Step-by-step explanation:
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427.0 mm is more precise.
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Yes they are congruent because they are reflecting on to each other
The slant height of the pyramid can be calculated using Pythagoras theorem. Therefore, the slant height is 6.7 mm
<h3>How to find slant height of a pyramid?</h3>
The slant height x, can be found using Pythagoras theorem,
Therefore,
c² = a² + b²
where
- c = hypotenuse
- a and b are other two legs.
Therefore,
x² = 4.5² + 5²
x² = 20.25 + 25
x² = 45.25
x = √45.25
x = 6.72681202354
x = 6.7 mm
learn more on pyramid here: brainly.com/question/11805304
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If you were going to multiply those two numbers, the answer would be D, 192.