Homework Help: Integrated Math 1

Posted by Tifini on Sunday, July 15, 2012 at 6:47pm.

In rectangle ABED, AC = 7 cm and DE = 10 cm. What is the length of AD? If necessary, round your answer to the nearest tenth.

Integrated Math 1 - bobpursley, Sunday, July 15, 2012 at 6:51pm
Where is C in rectangle ABED?
Integrated Math 1 - Tifini, Sunday, July 15, 2012 at 6:52pm
the center. its a rectangle broken into the triangles
Integrated Math 1 - bobpursley, Sunday, July 15, 2012 at 7:20pm
CE must be 7 also, as C bisects AE.You have a right triangle AED, so AE=14 (hypotenuse), side DE 10.

AD=sqrt(14^2-10^2)

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