A) Find the measure of <A B) A regular polygon has 11 sides. Find the sum of the measures of the interior angles. C) Find the measure of one interior angle of a regular polygon with 12 sides. D) What is the measure of each exterior angle of a regular pentagon?

Lesson 9-1: Area of 2-D Shapes 2 s s A = s² 6 6 A = 6² = 36 sq. units L W A = LW 12 5 A = 12 x 5 = 60 sq. units Example: Area of Rectangle: A = LW Area of Square: A = s²

Lesson 7-2: The Pythagorean Theorem 3 A B C Given any right triangle, A 2 + B 2 = C 2

Lesson 7-2: The Pythagorean Theorem 4 A B C In the following figure if A = 3 and B = 4, Find C. A 2 + B 2 = C = C = C 2 5 = C

Find the missing side length using the given information. A = 12in² A = 81in²

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