1) Which of the following is the correct Pythagorean Theorem? a) a+b=c b) a2+b2=c2 c) a3+b3=c3 2) Which of the following is a quadrilateral with four congruent sides AND four congruent angles? a) Parallelogram b) Square c) Rectangle d) Rhombus e) Trapezoid 3) The angle formed by a tangent line to a circle and its radius has a measure of a) 45º b) 90º c) 180º d) 270º e) 360º 4) What is the equation of a circle with center at (4,-3) with a radius of 3? a) (x-4)2+(y+3)2=9 b) (x+4)2+(y-3)2=9 c) (x+4)2+(y-3)2=3 d) (x-4)2+(y+3)2=3 5) What is the rule for a 90º counterclockwise rotation? (x,y)→ a) (y,x) b) (-y,x) c) (-x,y) d) (y,-x) 6) Which of the following is NOT a triangle congruence theorem? a) SAS b) SSS c) ASA d) HL e) AAA f) AAS 7) What is the population density of a 4 sq mi village with a population of 24 people? a) 0.1667 b) 0.5 c) 6 d) 2 8) What is the correct formula for the sum of interior angles of an n-sided polygon? a) (n-2)*180 b) n*180 c) [(n-2)*180]/n d) 360/n 9) What is the formula for the area of a triangle? a) b*h b) b*h/2 c) b*h/3 d) l*w*h/3 10) How can you tell if two lines in the coordinate plane are perpendicular to each other? a) They have the same slope. b) There is no way to tell. c) Their slopes are negative reciprocals of each other. d) Their y-intercepts are the same. e) Use a protractor to find out if they form a 90º angle. 11) The rule (x,y)→(5x,5y) represents a a) dilation by a scale factor of 5 centered at the origin b) rotation 90º clockwise about the origin c) translation 5 units up and 5 units to the right d) reflection along the line y=5x 12) If sin60=√3/2, what is the cos30? a) 1/2 b) 1 c) √3/2 d) 2/√3 e) 2√3/3 13) What is the volume of a cube with side lengths of 2 units? a) 1 b) 2 c) 6 d) 8 e) 16 f) 4 14) Which of the following is not true about a parallelogram? a) Opposite angles are congruent b) Opposite angles are supplementary c) Consecutive angles are supplementary d) Opposite sides are congruent e) Diagonals bisect each other

Geometry Review

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