Question

Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touch the smaller circle.

Answer 1

Answer:8cm

Step-by-step explanation:

The explanation is given

Answer 2

Answer:

8 cm

Step-by-step explanation:

• Mark the center an O.
• Mark the point of contact of the chord to the smaller circle as A
• Mark the Point of contact of the chord to the bigger circle a B
• Join A , B , O.
• OA = 3cm
• OB = 5cm

By applying pythagoras  theorem.

AB = 4 cm

Thus the length of chord is 8 cm