Elevation angles to a plane are measured from the plane are measured from the top and base of a building that is 20 m
a building that is 20 m high. The angle from
the roof is 38°, and from the base is 40°.
Calculate the altitude of the airplane​

answer

step-by-step explanation:

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years