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March 24, 2017

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If all the vertices of a triangle are on the circle and one side of the triangle is the diameter of the circle it is a right angle. Find the length of the diameter (AC) if Ab =8 and BC = 15.

  • Alegebra 1 - ,

    The diameter is the longest side, and the longest side of a rt. triangle is
    the hyp.

    (AC)^2 = 8^2 + (15)^2 = 289,
    AC = 17.

  • Alegebra 1 - ,

    A BIKE RENTAL SHOP CHARGES $8 TO RENT A BIKE, PLUS $1.50 FOE EVERY HALF HOUR YOU RIDE. IF THE SHOP CHARGES YOU AND YOUR FRIEND A TOTAL OF $25, HOW MANY HOURS DID YOU RIDE?

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