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07-11-2020
Mathematics

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Someone, pls. I need ur help.

Someone pls I need ur help class=

Respuesta :

haimin22 haimin22

07-11-2020

Answer: 48°

Step-by-step explanation: AD=AB, ∠ADC=∠ABC.

(5x-147)°=2x°, 3x=147, x=49.

So, ∠ADC=∠ABC=98°,

∠DCB=360°-{116°+2(98°)}

=360°-(116°+196°)

=360°-312°

=48°

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