Question

A chord of length 30 cm is at a distance of 8 cm from the centre of a circle. The radius
of a circle is
(a) 11 cm
(b) 12 cm
(c) 17 cm
(d) 15 cm​

Answer 1

Answer:

(c) 17 cm

Step-by-step explanation:

draw a line perpendicular to the chord from the center which divides it into two equal parts

now join the chord endings to the center of the circle

each forma a right angle triangle

by using the pythagoras theorem

we get the line opposite to the right angle is 17cm

(which is the radius

Answer 2

Answer:

17 cm is the answer

Step-by-step explanation:

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