The length of a chord which is at a distance
of 5 cm from the centre of the circle C (0, 13)
is :
Answers
Answered by
1
Answer:
⅖⅘=⅝⁴⁶⁵⁴³⅘
Good morning
Answered by
0
Answer:
24 cm
Step-by-step explanation:
Let AB be a chord of a circle with centre O and radius 13 cm. Draw OL⊥AB. Join OA.
Here, OL=5 cm,OA=13 cm.
In right triangle OLA,
OA
2
=OL
2
+AL
2
13
2
=5
2
+AL
2
AL
2
=144
AL=12
Since the perpendicular from the centre to a chord bisects the chord. Therefore,
AB=2AL=2×12=24 cm
Similar questions