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I am Lyosha [343]
3 years ago
15

What is the length of the dotted line in the diagram below? Leave your answer in simplest radical form.

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
8 0

Answer:

The length of the dotted line is √93.

Step-by-step explanation:

<em>Use Pythagorean Theorem to solve the hypotenuse of the top triangle.</em>

8² + 5² = √89

<em>√89 is now known as the measurement of the bottom line as well. We can visualize the dotted line as the hypotenuse of a triangle and solve for it using Pythagorean Theorem again.</em>

√89² + 2² = √93

Pachacha [2.7K]3 years ago
6 0

Answer:

\sqrt{93}

Step-by-step explanation:

8^2+5^2=c^2

64+25=c^2

89=c^2

c=\sqrt{89} <-- this is the length of the rectangle at the bottom

2^2+(\sqrt{89})^2=c^2

4+89=c^2

c=\sqrt{93}  <-- length of dotted line (diagonal)

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