epic8thgrader epic8thgrader
  • 02-06-2017
  • Mathematics
contestada

What is the length of line segment CD?



Enter your answer in the box. Round to the nearest tenth.


HELP! I'm stumped on this question!

What is the length of line segment CD Enter your answer in the box Round to the nearest tenth HELP Im stumped on this question class=

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sferguson sferguson
  • 02-06-2017
(-2,2), (4,-4). There are two common ways to attack this problem. The distance formula and Pythagorean theorem. I would use Pythagorean. make line segment cd the hypotenuse of a right triangle. legs would be 6 units and 6 units. a^2+b^2=c^2. 6^2+6^2=c^2.  c^2=36+36. c^2=72. c=sq root of 72. c=8.5
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