backoffnatesmine12 backoffnatesmine12

07-07-2017
Mathematics

contestada

please help! I give twenty points
Find DE.

please help I give twenty points Find DE class=

Respuesta :

gunnermachine gunnermachine

07-07-2017

It's an isosceles triangle so it'll be 7.06

Answer Link

RickyChen RickyChen

07-07-2017

You need to apply Law of Sine:

DE/sinC = CD/sinE

Since sinC = sinE

Then DE = CD = 7.06

Answer Link

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