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Formal Geometry 3 rd Nine Weeks Review

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#1 Find the geometric mean. 9 and 25

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#2 Solve for x and y

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#3 Solve for x and y

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#4 Find x

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#5 Find x

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#6 Determine wether each set of measures can form a right triangle and do they form a Pythagorean Triple. 7, 28, 29

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#7 Determine wether each set of measures can form a right triangle and do they form a Pythagorean Triple. 50, 120, 130

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#7 answer Yes and Yes

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#8 Find x and y

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#8 answer X = 10 Y = 10

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#9 Find y

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#10 Find the perimeter, If EG = 2

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#11 Find x and y

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#12 Find perimeter

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#13 Find x

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#14 Find x

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#15 A tree casts a shadow 58 feet long. The angle of elevation of the sun 37º. How tall is the tree?

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#16 Wilson is laying on his floor watching his 32 in TV which is on a 36 in shelf. Wilson’s head is 85 in away from the shelf. What is the angle of elevation to the top of the TV?

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#17 What is the sum of interior angles for a decagon.

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#18 Find the measure of 1 exterior angle of a regular octagon.

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#19 Find x so that the figure is a parallelogram

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#20 Determine if the coordinates make a parallelogram, rectangle, rhombus, and square. B(-9, 1), E(2,3), F(12, -2), G(1, -4)

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21 Find m<1 In the rhombus

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22 bases of a trapezoid are 14 and 26. Find the length of the median.

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23 Give the shape a name

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24 Name the shape

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©Brooks/Cole, 2001 Chapter 12 Derived Types-- Enumerated, Structure and Union.

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