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kyle65
20.08.2020 •
Mathematics
The horizontal distance between two towers is 140m. The angle of depression of the top of the first tower when seen from the top of the second tower is 30˚. If the height of the first tower is 60m, find the height of the second tower.
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Ответ:
4.55 * 1013
4.55 * 1000
and
1.78*1012
1.78*1000
then take them away
so:
4.55*1000= 4550
1.78*1000= 1780 -
= 2770
= 2.77*10^3
The antarctic iceberg's mass is approximately 2.77×10³ times bigger than the mass of the rock of Gibraltar.