Question

15. Two concentric circles with centre have A, B, C,
D as the points of intersection with the line as
shown in figure. If AD=16 cm and BC = 12 cm.

Find the lengths of AB, CD, AC and BD. (write the property also)​

Answer 1

Answer:

Draw a⊥OM to l

OM⊥BCandOM⊥AD

We know that perpendicular lines to a chord which pass through center bisect the chord

⟹BM=MC=

2

1

BC=4 cm

⟹AM=MD=

2

1

AD=6 cm

AB=CD=AM–BM=6–4=2 cm

AC=BD=AB+BC=2+8=10 cm

Step-by-step explanation:

i hope it's helpful for you

Answer 2

Answer:

Good night take care merry Christmas my all friends.