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Secondary 1 | Maths
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Date Posted: 3 years ago
Views: 621
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a) Due to AOB being in a straight line, it would be 180 degrees.
180 - 55 - 25 = ans
c) AOB & COD are straight lines. However, DOB shows 60 degrees and AOC is directly opposite. They are the opposite angles.
60 - 32 = ans
e) The question says AB, CD, EF, GH are straight lines and with the arrows. FA shows 85 degrees, which = to HB being 85 too.
If you take 180 - 85 = 95, is the other side of the angle.
So for opposite angles, a degrees =
85 degrees
b degrees = 85 degrees
180 - 55 - 25 = ans
c) AOB & COD are straight lines. However, DOB shows 60 degrees and AOC is directly opposite. They are the opposite angles.
60 - 32 = ans
e) The question says AB, CD, EF, GH are straight lines and with the arrows. FA shows 85 degrees, which = to HB being 85 too.
If you take 180 - 85 = 95, is the other side of the angle.
So for opposite angles, a degrees =
85 degrees
b degrees = 85 degrees
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