Question

the given figure, find the measures of @OCD and @BDC.​

Answer 1

Answer:

In ∆CBD

@BCD is right angle ( 90° )

and

@ACB + @OCD = @BCD

60° + @OCD = 90°

@OCD = 90 - 60

@OCD = 30°

NOW IN ∆BCD

@DBC + @ BCD + @BCD = 180°. ( Angle sum property )

45 + 90 + @BDC = 180

@BDC = 180 - 135

@BDC = 45°

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