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okay felllas.. a stone is thrown horiztonatally out to sea from the top of a cliff with a velocity of 15 ms-2 and reaches the water below after 3 seconds a) how high is the cliff? b) how far from the base of the cliff is the stone when it reaches the water? c) what is the velocity of the...

1. C is any point on a circle diameter AB. P and Q are points on the minor arcs AC and BC. prove that angle APC + angle CQB = THREE RIGHT ANGLES 2. ABCD IS A RECTANGLE. THE LINE THROUGH C PARPENDICULAR TO AC MEETS AB AND AD PRODUCED AT P AND Q. PROVE THAT P, B, D Q ARE CONCYCLIC thanks fellas