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Answer:
Step 1: Place the compass on a point O and draw a circle with radius =4 cm.
Step 2: Take any point A on the circle. Draw ray OA.
Step 3: Place the compass on point A and draw two equidistant arcs on line OA to intersect OA in points D and E.
Step 4: From point D, mark two arcs above and below line OA. Similarly, mark two arcs from point E such that they intersect the arcs marked from point D.
Step 5: Join the intersection points of the arcs to obtain one tangent from A.
Step 6: Draw ray OB such that ∠AOB=(180−45)
∘
=135
∘
.
Step 7: Repeat steps 3,4 and 5 for point B in place of point A to obtain the tangent at point B
Step 8: Let the tangent from point B intersect the tangent from point A at point P.
PA and PB are the required tangent. The angle between PA and PB is 45
∘
.
Step-by-step explanation:
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