How many solutions does this linear system have? y = 2x – 5 –8x – 4y = –20
1 answer:
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Answer:
Distance between Alexa and tree = 12.844 ft
Height of tree = 19.620 + height of eyesight from ground
Perimeter of triangle formed = 55.914 ft
Step-by-step explanation:
From the given data, the attached image is drawn ( refer attachment)
Assume
Height of eye line as , height of tree as
, distance of tree from Alexa as X and vertical distance between eye line and top of tree is y.
To find: distance of tree from Alexa
consider triangle ATE. Here
X = 23.45 * cos () = 12.844 ft
y = 23.45 * sin () = 19.620 ft
Hence distance of tree from Alexa = 12.844 ft
Height of tree = y +
= 19.620 +
Perimeter of triangle = X + Y + 23.45 ft
= 12.844 ft +19.620 ft + 23.45 ft
= 55.914 ft
