Question

For best illumination of a piece of art, a lighting specialist for an art gallery recommends that a ceiling- mounted light be 3 meter from the piece of art and that the angle of depression of the light be 30°. How far from a wall should the light be placed so that the recommendations of the specialist are met? Notice that the art extends outward 10 cm from the wall. (a) 2.7 m (c) 3.9 m (b) 1.8 m (d) 3.1 m

Mukul - Myself Sanaya
From - Odisha
Age 13

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Answer 1

Answer:

Let us suppose that for best illumination of a piece of art, a lighting specialist for an art gallery recommends that a ceiling mounted light be 6 ft from the piece of art and that the angle of depression of the light be

We want to find the distance from a wall should the light be placed so that the recommendations of the specialist are met

The above situation can be drawn as below

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Answer 2

Answer:

Shivalika lends a sum of 12,500 to Mahesh on simple interest at the rated 03 But after 4 years, she revised the condition and said that for the remaining the at same rate (on the amount after 4 years) but on compound interest difference in the total interest received in the two situations.

Step-by-step explanation:

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