



 
Hi Kyle, I drew the gutter and labeled some points. C is the center of the circle so CB is a radius and hence its length is 5 centimetres. A is the center of the circular surface of the water and hence CA is perpendicular to AB and the length of AB is 4 centimetres.What does Pythagoras theorem tell you about the length of CA? What is the depth of the water in the gutter? Penny  


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