Two hill tops and 20 km apart are intervened by a third top . If the top most contour of the three hill tops are of the same value, state whether the line of sight AB

Two hill tops and 20 km apart are intervened by a third top . If the t

1.	Two hill tops and 20 km apart are intervened by a third top . If the top most contour of the three hill tops are of the same value, state whether the line of sight AB
A.	Passes clear of hill top C
B.	Passes below the hill top C
C.	Grazes the hill top C
D.	None of these
Answer» C. Grazes the hill top C