Here's the question you clicked on:
webbbiee
What must be true about the slopes of two perpendicular lines, neither of which is vertical? A The slopes are equal. B The slopes have product 1. C The slopes have product –1. D One of the slopes must be 0.
Your welcome :)
Parallel lines have equal slope. the slopes of two perpendicular lines have a product of -1, so C
Three security cameras were mounted at the corners of a triangular parking lot. Camera 1 was 110 ft from camera 2, which was 137 ft from camera 3. Cameras 1 and 3 were 158 ft apart. Which camera had to cover the greatest angle?