Question

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.​

Answer 1

• 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

Answer 2

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