using ruler and compass construct a triangle ABC where AB = 3cm, BC = 4cm and angle ABC = 90 degrees. hence construct a circle circumscribing the triangle ABC. Measure and write the radius of the circle.
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- Answer:
- draw a ∆le by given measurements
- extend the line of base
- draw a perpendicular bisector
- from at the any end of perpendicular bisector to its center draw a circle
- measure the radius of circle
hence the circle and its radius is obtained
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Answer:
1) Draw the triangle as per the measurements.
2) draw a perpendicular bisector of AB and BC or BC and CA or AC and AB
3) name the point of intersection of the two bisectors as O
4) measure either side OA,OB or OC with compass
5) taking the measure from the point O as the radius draw a circle touching 3 vertices of the triangle.
6) measure OA or OB or OC which is the radius.
hope it helps
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