Practicing Success
There are two concentric circles of radii 20 cm and 16 cm. The length of the chord of the larger circle which touches the smaller circle is: |
12 8 10 24 |
24 |
Using Triplets: 12, 16, 20 OB ⊥ AC (perpendicular bisector) AC = 2 × AB = 2 × 12 = 24 cm |