Download 3/6 Quiz Review with reference sheet and answers File

9.1-9.3 Quiz Review Reference Materials
9.1 Similar Right Triangles
9.2 Pythagorean Theorem
9.3 Converse of the Pythagorean Theorem
Triangle Inequality Theorem
The length of each side of a triangle must be less than the sum of the lengths of the other two sides.
Tips for classifying quadrilaterals:
First check if it’s a parallelogram (both pairs opp. sides ≅, diagonals bisect each other, etc.).
Then use converse of Pythagorean theorem to check for right angles.
ìï all sides congruent
corner ® rectangle üï
ý Could it be a square? í
diagonals ® rhombus ïþ
ïî diagonals congruent
Name:
Date:
Geometry
9.1-9.3 Quiz Review Answers
9.1
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9.2
9.3
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Name:
Date:
Geometry
9.1-9.3 Quiz Review
9.1 Similar Right Triangles
Write a proportion using the appropriate geometric mean theorem. Then solve for the value of
the variable.
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9.2 Pythagorean Theorem
Find the length of the hypotenuse of the right triangle. Tell whether the side lengths form a
Pythagorean triple.
Name:
Date:
Geometry
9.2 Continued
Find the unknown side length. Round to the nearest tenth, if necessary.
9.3 Converse of the Pythagorean Theorem
Classify the quadrilateral. Explain how you can prove that the quadrilateral is that type.
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