Hair grows at a rate of around 5*10^-2 inches per month, whereas nails grow around 1*10^-2 inches per month. Use these numbers to complete the sentence below. Nails grow abouttimes as fast as hair does.

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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step-by-step explanation: