Answer: A is correct I think
Step-by-step explanation:
Check the picture below.
where a radius chord and a tangent to a circle touch each other, namely the point of tangency, is always a right-angle, that means that those two right-triangles are congruent by the HL postulate.
Drawing a diagram will help you visualize how to solve the math problem
Answer:
you have to draw a triangle and 1200 is the straight leg on the right triangle. then the line on the bottom is the 5000 and you solve with the Pathagorian theorem