Question

You have to answer the ques one which are encircled
Please fast i need urgent solve them
No spams and irrelavent ans only write if you know with proper reason and explanation please
The first ans with proper reason will be marked as brainliest and will be followed

you have to ans 3 and 9​

Answer 1

Step-by-step explanation:

for 3rd question,

application of Pythagoras theorem on triangle OPQ

5²+r²=(r+1)²

25+r²=r²+1+2r

2r=24

r=12 answer

9th question

as triangle or isosceles

OP=PQ

So angle OQP =45 degree

as angle OPQ is 90 degree as it is tangent case