2 concentric circles have radii 10cm and 8cm . What is the length of the chord of the bigger circle that touches the smaller circle ?
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Answer:
length of chord = 12 cm
Step-by-Step Solution:
To find the length of chord of the bigger circle that touches the smaller circle,if two concentric circles have radii 10cm and 8cm .
See the attached figure,it is clear that chord BC =?
AB= 10 cm
AO= 8 cm
∆ABO is a right triangle at O[By theorem]
here we need to find out the base of the ∆ABO
Hope it helps you.
Attachments:
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