Math, asked by jao2004, 1 year ago

if a is equal to 2 + root 3 then a minus 1 by 2 is equal to

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Answers

Answered by sibhiamar
0
angle ABD + angle FDB = 180°
65° + angle FDB = 180°
angle FDB = 180° - 65°
angle FDB = 115°

angle FDB = angle CFE
so, angle CFE = 115°
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