Question

If the length of the tangent is 4cm from an external point of a circle with radius 5cm. Find the distance of the point frame the centre. Guys plz help in this question..

Answer 1

length of tangent=4cm
radius=5
distance² =r²+4²
d²=5²+4²
d²=25+16
d²=41
d=
$\sqrt{41}$