Answer:
Step-by-step explanation:
J is a tangent to the circle and it is at right angle,
So applying Pythagorean theorem
HK² = KJ² + HJ²
HK² = 8²+ 15²
HK² = 64 + 225
HK² = 289
HK = √289
HK = 17 mi
12
1.5 seconds
i took a test with the same question
it's not in the chioces
1time =3 mins
4 times =4×3
12mins