Janelle takes a rectangular piece of fabric and makes a diagonal cut from one corner to the opposite corner the cut she makes is 15 centimeters long and the width of the fabric is 12 centimeters what is the Fabrics length?
Mathematics · Middle School · Wed Jan 13 2021
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Answered on
Given :
Diagonal of rectangle, Hypotenuse = 15 cm
Width of rectangle, let P = 12 cm
Length of rectangle, let B = ?
Since, all angles of rectangle are of 90°. We can apply phythogoras theorem.
H² = P² + B²
15² = 12² + B²
225 = 144 + B²
B² = 225 - 144
B² = 81
B = 9
Hence, Length of fabric is 9 cm.