Question

In the given figure, AB is a straight line. Find the measures of BOD, COD. [Give reasons) ​

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Answer 1

Answer:

4x° = 80°

3x° = 60°

Step-by-step explanation:

Total angle is 180°

Therefore,

40° + 4x° + 3x° = 180°

40° + 7x° = 180°

7x° = 140°

x° = 20°

Therefore,

Angle 4x° = 80° and Angle 3x° = 60°

Answer 2

Answer:

AOC+COD+DOB=180 degree (straight angle)

40+4x+3x=180

40+7x=180

7x=180-40

7x=140

x=140/7

x=20

BOD=(3×x)

=3×20

=60

COD=(4×x)

=4x20

=80