Question

The radius of two concentric circles are 5 cm and 8 cm. If OP = 10 cm,∆PAO is a/an
a) Right angled triangle
b) Obtuse angled triangle
c)Acute angled triangle
d) cannot be determined​

Answer 1

The radius of two concentric circles are 5 cm and 8 cm. If OP = 10 cm,∆ PAO cannot be determined

Answer 2

Answer:

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Step-by-step explanation:

so basically here

for a smaller circle,

pa is a tangent as it intersects the circle at only and only one point ie at its point of contact A

so thus then

by tangent theorem

PA perpendicular to AO

ie Angle PAO=90

so thus triangle PAO is a right angled triangle

hence option A i.e. right angled triangle is ryt