Question

in the figure triangle ABC is an equilateral triangle . lenght of chord AB is 6cm. C is the centre of the circle and CD is perpendicular to AB. what is the radius of the circle . what is the length of CD

Answer 1

Answer:

Step-by-step explanation:Solution

verified

Verified by Toppr

Here AP=PB

OA=OB (radius)

OP=OP (common)

⇒△POA≅△POB

⇒∠APO=∠BPO,  

But ∠APO+∠BPO=180  

o

⇒2∠APO=90  

o

 

⇒∠APO=∠BPO=90  

o