Answer:
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The error percentage is 4.13%.
<h2>Error percentage</h2>The amount of mistakes is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.
Given
Annie estimates that the height of a bookcase is 78.25 in.
The actual height is 75.50 in.
<h3>To find </h3>The error percentage.
<h3>How to find the error percentage?</h3>We know the formula for the error percentage.
The error percentage is 4.13%.
More about the error link is given below.
Answer:
r=3 ft
Step-by-step explanation:
it is similarity of two triangles
one
perpendicular side=10 ft
base=10/2=5 ft
second
perpendicular side=10-4=6 ft
Base r=?