Question

12) The length of the tangent drawn at a distance 5cm from the Centre of a radius
3 cm is
A) 4 cm B) 3.5 cm C) 4.5 cm D) 5.5 cm
please answer for dis guys?​

Answer 1

$\huge\mathcal{\fbox{\fbox{\pink{Hello}}}}$

Let AT be the tangent drawn from a point A to a circle with centre

O and OA=5 cm and AT=4 cm. Since tangent at a point is

perpendicular to the radius through the point of contact

∴OT⊥AT

∴ from right angled △OAT,

(OA)

2

=(OT)

2

+(TA)

2

⇒(5)

2

=(OT)

2

+(4)

2

⇒25−16=(OT)

2

⇒9=(OT)

2

HOPE IT HELPS YOU

Answer 2

Answer:

c 4.5cm

Step-by-step explanation:

answer is right gghykop