Two concentric circles are of a radii 29 cm and 21 cm. The length of the chord of the larger circle which touches the smaller circle is?
Answer & explanation
Correct answer: option 2
Use triplets → 20, 21, 29
Chord = 2 × 20 = 40 cm
Two concentric circles are of a radii 29 cm and 21 cm. The length of the chord of the larger circle which touches the smaller circle is?
Correct answer: option 2
Use triplets → 20, 21, 29
Chord = 2 × 20 = 40 cm