Question

if pq the distance between the centre of two circles measured 8 units what so the length of the red curve? ​

Answer 1

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Consider the above figure, the radii of the first circle is AP=3 cm and the radii of the second circle is QB=8 cm.

Now since AP=3, therefore QC=3 and thus BC=QB−QC=8−3=5

➣We find the length AC as follows:

➣AC=132−52=169−25=144=12

➣Hence, PQ=AC=12 cm.

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