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i'm kinda confused in this question, please help me.

Im Kinda Confused In This Question Please Help Me class=

Sagot :

Kaungkhantz033idn

Answer:

there you go

Step-by-step explanation:

angle DOB is 60 degree.

View image Kaungkhantz033

Answer:

see explanation

Step-by-step explanation:

Given ∠ DOC = 90° then

∠ DOB = 90 - p and

Since AOB is a straight angle , then

4p + 90 - p = 180

3p + 90 = 180 ( subtract 90 from both sides )

3p = 90 ( divide both sides by 3 )

p = 30

4p = 4 × 30 = 120

Then

∠ DOB = 180° - 4p = 180° - 120° = 60°

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