Answer: B. 30
<u>Step-by-step explanation:</u>
When given a secant and a tangent, the formula is:
exterior of secant × secant = tangent²
KM × JK = LK²
10 × (JM + 10) = 20²
10JM + 100 = 400
10JM = 300
JM = 30
Answer:

Step-by-step explanation:

I’m pretty sure that the answer 783 :)
Answer:
uhhhhhhhhh i think its 8 yep its 8
Step-by-step explanation:
The answer is B through ASA (Angle-Side-Angle) similarity criterion.