ENTRY TASK – Find the value of x and y. 3. Find the geometric mean between 3 and 27. 1.2.

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Presentation transcript:

ENTRY TASK – Find the value of x and y. 3. Find the geometric mean between 3 and

8.1 The Pythagorean Theorem

Could you prove this to someone?? After today’s group task, you will be able to.

Let’s Practice! Find the value of x. Express your answer in simplest radical form.

A window washer has an 18-ft ladder. He needs to reach the bottom of a window 16 feet of the ground. How far out from the building should the base of the ladder be? Round to the nearest tenth of a foot.

A square has a diagonal of 12 cm. What is the perimeter of the square? Express in simplest radical form.

PRACTICE Classify as right, acute or obtuse. 4, 6, 7 9, 11, 16

Assignment Page 495 #1-6, 14, 22, 23, 27