Question

Constructa tangent to a circle of radius 4cm from a point on the concentric circle of radius 6cm and measures its length. also, verify the measurement by actual calculation.​

Answer 1

• Draw two concentric circles C1 and C2 with common Centre O and radius 4 cm 6 cm.
• Take any point P on outer circle C2 and join OP.
• Draw the bisector of OP which bisect OP at M'.
• Taking M' as centre and OM' as radius draw a dotted circle with cuts the inner circle C1 at two points M & P'.