20-05-2021
Mathematics

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Given that mCD=20°, find mBC

Given that mCD20 find mBC class=

Respuesta :

Hrishii Hrishii

20-05-2021

Answer:

70°

Step-by-step explanation:

[tex] m\widehat {BC} = 90\degree - m\widehat {CD} [/tex]

[tex] m\widehat {BC} = 90\degree -20\degree [/tex]

[tex] m\widehat {BC} = 70\degree [/tex]

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