Keith is standing 12 m from the base of a sky-scraper. Assume Keith’s height is 1.5 m.
If he has to look through an angle of elevation of 78° to see the top.
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Keith is standing 12 m from the base of a sky-scraper. Assume Keith’s height is 1.5 m.
If he has to look through an angle of elevation of 78° to see the top.
sharp vigil
Keith is standing 12 m from the base of a sky-scraper. Assume Keith’s height is ...
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