Two points in a sphere are 777m apart and the distances of a lighthouse from these points are

650m and 525m. the lighthouse radiates a narrow beam which revolves at a uniform rate,

making one complete revolution in 15 seconds. find the time taken for the beam to traverse the

strip of shore between the points

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation:

your answer is the frist one

hop i

answer: i could not see part the question so ill explain how to get the answer

step-by-step explanation: for instance the distance she travele d is 10 and she traveled the same amout each mile so do 10 divided by how many miles she drove each time and you ge your answer.

step by step explanation: when u removing the parentheses and combined them that would be : x+3y-x-y=2y