Question

1. AB is tangent to circle O at B. The diagram is not drawn to scale.

circle O

If AB = 9 and AO = 21.6, what is the length of the radius (r)? Round the answer to the nearest tenth. (1 point)
19.6
15.3*
23.4
12.6
2. JK, KL, and LJ are all tangent to circle O. The diagram is not drawn to scale.

triangle JLK with an inside circle O

If JA = 12, AL = 15, and CK = 5, what is the perimeter of ΔJKL? (1 point)
34
64 *
32
54
3. WZ and XR are diameters of circle C. The diagram is not drawn to scale.



What is the measure of (1 point)
355º
5º
292º
243º

Answer 1

is there a diagram ?

Answer 2

1. use pythagoras theorem
21.6^2 = 9^2 + r^2
466.56 = 81 + r^2
r = sqrt (466.56 - 81) can u continue and find r = ?

Answer 3

questions 2 and 3 require the missing diagram, if u add the the diagram then I can help...

Answer 4

diagram for # 2

Answer 5

@xbrentx do u have the answers. if so could u help me please????????????

Answer 6

@countrybeautiful did she give you the answers? If she did can you message me please? really need help :/

Answer 7

Noo :( @zaza7713 I need help too cause I can't get more than like 5 wrong or i'll fail

Answer 8

1. 18 and 72
2. 40
3.10
7.33
13.(21/2) + (7/2)*sqrt(3)
26.19.2
28.34.2
29.If the apothem is 13, the side length is 14.534441853748633026659628846753
If the side length is 15, the apothem is 13.416407864998738178455042012388
this is what I got so far @zaza7713

Answer 9

Hey @zaza7713 did you do the test??

Answer 10

@countrybeautiful Yes. I did. Do you need it still?

Answer 11

@zaza7713 Yes pretty please with a cherry on top!<3 Could you message me it(:

Answer 12

I have no idea how to copy and paste from connexus so I took screen shots... I will just post them as a file on here unless you know a way i can copy my text from there @countrybeautiful

Answer 13

No I don't:( sorry @zaza7713 but posing it is fine!(:

Answer 14

@countrybeautiful :)

Answer 15

hmm lets see um i believe he/she is right on 1.