To measure a stone face carved on the side of a mountain, two sightings 600 feet from the base of the mountain are taken. if the angle of elevation to the bottom of the face is 42degrees and the angle of elevation to the top is 45degrees, what is the height of the stone face?

Explanation:

horizontal distance of sighting from the base of the mountain (A) = 600 ft

angle of elevation to the bottom of the face = 42 degrees

angle of elevation to the top of the face = 45 degrees

find the height of the face

        cos θ = AB / BC

        cos 42 = 600 / BC

        BC = 600 / cos 42

        BC = 807.4 ft

        cos θ = AB / BD

        cos 45 = 600 / BD

        BD = 600 / cos 45

        BD = 848.5 ft

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

what question you dont ask a question

explanation: