arminakazic2037 arminakazic2037

01-03-2021
Mathematics

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Line DCE is parallel to line AB
a) Find the size of angle ABC
b) Find the size of angle DCA
c) Calculate the size of angle ACB

Line DCE is parallel to line AB a Find the size of angle ABC b Find the size of angle DCA c Calculate the size of angle ACB class=

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MrRoyal9196 MrRoyal9196

01-03-2021

Answer:

Angle DCA = Angle CAB. (Alternate Interior Angle)

Angle DCA = 68°

Angles(DCA + ACB + BCE) = 180°. (Linear Pair)

Angle ACB + 68° + 33° = 180°

Angle ACB = 79°

Therefore,

Angle ABC = 33°. (Alternate Interior Angle)

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