brittanysanders
03.12.2021 •
Mathematics
For a project in his Geometry class, Dominic uses a mirror on the ground to measure
the height of his school's football goalpost. He walks a distance of 13.05 meters from
the goalpost, then places a mirror on flat on the ground, marked with an X at the
center. He then steps 7.25 meters to the other side of the mirror, until he can see the
top of the goalpost clearly marked in the X. His partner measures the distance from
his eyes to the ground to be 1.55 meters. How tall is the goalpost? Round your answer
to the nearest hundredth of a meter.
1.55 m
11
7.25 m
13.05 m
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Ответ:
243
Step-by-step explanation:
The general formula for the total surface area of a right prism is T. S. A. =ph+2B where p represents the perimeter of the base, h the height of the prism, and B the area of the base.