SOLUTION: The length of a rectangular painting is 3 inches longer than its width. If the diagonal is 15 inches long, what is the length of the painting?
A.
9 inches
B.
12 inches
C.
1
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Question 939239: The length of a rectangular painting is 3 inches longer than its width. If the diagonal is 15 inches long, what is the length of the painting?
A.
9 inches
B.
12 inches
C.
13 inches
D.
18 inches
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
The length of a rectangular painting is longer than its width .
If the diagonal long, what is the length of the painting?
use Pythagorean theorem since the length, the width, and the diagonal of the rectangle form right triangle
...solve for
....divide by
...factor, write as
...group
...factor
solutions:
if => ...since we are looking for a width we cannot use negative solution
if =>...this is our solution
now find the length
and your answer is
B.
inches
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