Construct an angle of 90
Asked by | 7th Oct, 2008, 12:14: PM
1. Draw ray AP.
2. At A , make arc meeting AP at Q
3. With same radius , from Q make arc B on the drawn arc.
4. From B , makearc C and D as shown
From A cut off arc at D.
angle PAB is 60 degrees . Angle BAC is also 60 deg .
Angle BAD is obtained by bisecting angle BAC , and is therefore 30 deg.
Angle PAD = 60 + 30 = 90 deg
Answered by | 7th Oct, 2008, 02:13: PM
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