Question

if the centre of a circle is O
diameter AC
AB=8cm BC=6cm

then AC+BD=?​

Answer 1

Answer:

Since ∠ABC=90

AC is the diameter

Because angle in a semi circle is always 90

And

AC

2

=AB

2

+BC

2

=8

2

+6

2

=100

AC=10=d=2r

r=5cm