QQ: Is this a right triangle?

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Presentation transcript:

QQ: 80 39 Is this a right triangle? Find the length of the diagonal of this rectangle. The Pythagorean Theorem works both ways! If a triangle is a right triangle, then ______________________________________. 4. If _______________________________, then the triangle is a right triangle. 80 39 89

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Today’s Objective: I can use the Pythagorean Theorem to solve problems.

Find the perimeter and area of the green triangle.

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Perimeter: the distance around the sides 1- Notice the sides are part of a right triangle. 2- use Pythagorean Theorem to find the black sides 4.47 5 3-Add the sides: 4.47 + 5 + 5 = 14.47 5

Questions?????? Homework is due Monday…

Carlos leaves school to go home Carlos leaves school to go home. He walks 6 blocks North and then 8 blocks West. How far is Carlos from the school? 8 6 ? Solve using the Pythagorean theorem.

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Triangles: