Question

C
E
F.
congruent circles concentric circles intersecting circles
Recall the properties of chord studied in previous standard and perform the
low.
ctivity I : In the adjoining figure, seg DE is
a chord of a circle with centre C.
seg CF I seg DE. If diameter of the
loon
D
circle is 20 cm, DE =16 cm
find CF.
Fig. 3.1
Recall and write theorems and properties which are useful to find th
the above problem.
1) The perpendicular drawn from centre to a chord Bisect theche
2) Diametre is twice that of radio, and then Help of radicion
the longest chard of corcle is Diomate
Using these properties, solve the above problem.
47​

Answer 1

Answer:

Diametre is twice that of radio, and then Help of radicion