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Ray Of Light [21]
3 years ago
8

PLS HELP 30 PTS!!!Use the coordinate plane to help you identify the length of each leg then use the Pythagorean Theorem to find

the length of CD
Type your answer in the box.

Note: Type in only numeric part of the answer. Round your answer to the nearest hundredth.

Example: 12.70

Mathematics
2 answers:
shusha [124]3 years ago
7 0

Answer:

it says 15 points not 30

Step-by-step explanation:

Murrr4er [49]3 years ago
4 0

Answer:

10.30

Step-by-step explanation:

Pythagorean Theorem is a^{2} + b^{2} = c^{2}.  The short leg(a) is 5 units long and the long leg(b) is 9 units long.  CD is the hypotenuse, the longest side (c).

5^{2} +9^{2} =c^{2}

25+81=c^{2}

106=c^{2}

\sqrt{106} = \sqrt{c^{2} }

10.29563014 = c

Rounded to the nearest hundredth, 10.30

To check this is correct, the hypotenuse is the longest side, and 10.30 is longer than 5 and 9.  

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