In a circle of radius 15 CM, a chord is drawn at a distance of 12 cm from the centre. Find the length of the chord.
Answers
Answered by
1
Answer:
Length of chord=18 cm
Step-by-step explanation:
Let AB be the chord,OM be the distance with O as centre and OA be the radius.
(OA)²=(AM)²+(OM)²
(15)²=(AM)²+(12)²
225=(AM)²+144
(AM)²=225-144
(AM)²=81
AM=√81
AM=9 cm
Since, AM is half of AB
Therefore, AB=2AM
AB=2×9=18 cm
Similar questions