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Given 3 sides of a triangle. Is it a right triangle? 9 Draw triangle-->place sides-->statement leg 3 leg 5, 3, 4 16 4 5 hyp 25 equal 9 yes it is a right triangle a2 + b2 = c2 + 25 = 25 16 = 25 Which are right triangles? 12, 9, 15 6, 8, 9 5, 6 , 7 Which are right triangles? 8, 20, 10 15, 8, 17 10, 12, 15 Which are right triangles? 9, 12, 15 2, 3, 4 5, 13, 10 Which side of a right triangle is longest? leg b leg a hypotenuse fill in the squares 12 5 13 is it a right triangle? no yes fill in the squares 9 10 15 is it a right triangle? yes no Which is a right triangle? 4--5---6 26--10--24 9--10--12 Which is a right triangle? 6--8--11 9--12--13 34--30--16 225 169 Find each side length Is it a right triangle? yes no 196 |