Question

radius of a circle with ontre O is 13 cm. The distance of a chord from the
tre is 5 cm. Find the length of the chord,
2017)
124 cm (2) 12 cm (3) 13 con 14) 26 cm​

Answer 1

Answer:

option 2 :-12cm

Step-by-step explanation:

Given

let the radius be the hypt. of the triangle formed :- 13cm

the side next to it :-5cm

To find

chord (base of the triangle)

Solution

Using Pythagoras theorem

13 square = 5 square + base square

therefore

169= 25 + base square

base square= 144 (169-25)

base =√144

base =12cm