25-02-2020
Mathematics

contestada

A lamp illuminates an area that is 12 feet diagonally at an angle of 40° from the ground to the top of the lamp.

Note: picture not drawn to scale

Which equation can be used to find the horizontal length, r, of the illuminated area?

Respuesta :

curry557 curry557

25-02-2020

12multipliedby40tothedegreepowerwhichletsthemshowthatyoucansubtractanotherby12.sorryspacrbuttonisntworking

Answer Link

oddet2280033 oddet2280033

10-12-2020

Answer:

Cos40' = r/12 ft

Step-by-step explanation:

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