Question

A rectangle has a width of 9 and a diagonal of 15. What is its length?​

Answer 1

Answer:

L=12

Explanation:

Using the formula

d=w2+l2

Solving forl

l=d2﹣w2=152﹣92=12

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Answer 2

Answer:

12

Explanation:

length of rectangle = √(15^2 -9^2)= √(225-81)=√144=12