A 25-foot wire connects the top of a utility pole to a point on the ground located 7 feet away from the base of the pole. If h represents the height of the pole, what is its measure?

check the picture below.

well, the angle at the vertex d is clearly not a right-angle, let's check for the one at the vertex f which does look like,   however if it's indeed, that means ef is perpendicular to df, in which case their slopes will be negative reciprocal of each other.

so the negative reciprocal of the slope of ef is 1, however the slope of df is not 1, is 1/2, so nope, they're not perpendicular lines.

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i think the answer is b.

step-by-step explanation:

not 100% sure though.