Question

in the figure ,find a b c..​

Answer 1

Explanation:

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Answer 2

Explanation:

Given ;

< AOD = 2c .

< AOC= 4b

< COE = 60 °.

< DOB = a .

Find : value of a , b ,and C .

Solution ;

4b + 60 + b= 180 ° ( linear pairs ).

=> 5b + 60 = 180 °.

=> 5b = 180 / 60 = 3

=> b = 3/5 .

Similarly ,

4b + 2c = 180 ( linear pairs ).

=> 4 × (3/5) + 2c = 180

=> 12/5 + 2c = 180

=> 2c = 180 - 12/5

=> 2c = 32400 - 72 /180

=> C = 32328 / 180 × 2

=>C = 359.2

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