A stop sign is in the shape of a regular octagon. A regular octagon can be created using eight triangles of equal area. One tria
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Answer:
13 seconds.
Step-by-step explanation:
Given
Required
Determine a reasonable solution for t
To do this, we equate h to 0.
becomes
Divide through by -4.9
Reorder the expression
Split
or
This gives:
or
But time can't be negative, So: