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Quiz Review 7.1,7.2, and 7.4

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Question #1 Find the missing side of the triangle. (No calculators.)

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ANSWER TO #1 X = 130

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Question #2 Find the length of the hypotenuse. (No calculators.)

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Answer to #2 X = 50

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Question #3 Find the area of the triangle. (No calculators.)

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Answer to #3 Area = 240 square meters

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Question #4 A ladder is leaning against a house. The base of the ladder is 7 feet from the bottom of the house, and the top of the ladder is 20 feet up the side of the wall. Find the length of the ladder to the nearest tenth of a foot.

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Answer to #4 The ladder is 21.2 ft long

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Question #5 Is the triangle a right triangle? Explain. (No calculators.)

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**NO. The side lengths don’t satisfy the Pythagorean Theorem.**

Answer to #5 NO. The side lengths don’t satisfy the Pythagorean Theorem.

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**Question #6 Determine if the side lengths form a triangle.**

If so, classify it as acute, right, or obtuse.

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Answer to #6 Yes Right

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Question #7 Determine if the side lengths form a triangle. If so, classify it as acute, right, or obtuse. 8.1, 4.5, 13.2

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Answer to #7 NO Not a triangle

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**10, 11, 14 Question #8 Determine if the side lengths form a triangle.**

If so, classify it as acute, right, or obtuse. 10, 11, 14

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Answer to #8 Yes acute

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Question #9 Graph points A, B, and C. Connect the points to form a triangle. Then classify the triangle by its sides. A(0,2) B(5,5) C(1,-1)

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Answer to #9 The triangle is obtuse

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Question #10 Find the value of the variable.

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Answer to #10 X = 10

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Question #11 Find the value of the variables.

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Answer to #11

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Question #12 Find the value of the variables.

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Answer to #12

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Question #13 The perimeter of an equilateral triangle is 36 cm. Find the area of the triangle. (Give answer as a radical, and rounded to the nearest tenth.)

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Answer to #13 Area of the triangle is:

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Question #14 Find the value of the variables.

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Answer to #14

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