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21-12-2019
Mathematics

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Find the value of x in each case. Give reasons to justify your solutions!
B, C ∈ AD

Find the value of x in each case Give reasons to justify your solutions B C AD class=

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MamoonWasim MamoonWasim

21-12-2019

Step-by-step explanation:

DCF is 90°

so to find BCE

BCE+64+90=180

BCE=26°

CBE is (180-3x)

taking triangle BEC

(180-3x)+x+26=180

180-3x+x+26=180

-2x+26=0

-2x=-26

x=13

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