Geometry Second Semester Review 1. Find the lateral area, total area and volume of the following figures. a) b) c) LA_______ TA_______ Vol_______ LA________ TA________ Vol________ LA_______ TA_______ Vol_______ 2. A regular polygon has a perimeter of40 and apothem of 5. Find the area. 3. An equilateral triangle has sides 10 cm long. Find the area. 4. Find x if the area of the trapezoid is 52. 5. Find the median and the area of the trapezoid. 14 x M 8 12 10 6 6. Find the area of the kite with diagonals 9 and 14. B A E 7. Find the area of a rhombus whose perimeter is 20 and whose diagonal is 8. C D 8. Find the area of a circle whose diameter is 10. 9. Find the circumference of a circle whose area is 49π . 10. Find the area of a sector with radius 12 and a 45° arc. 11. The measure of the arc of segment is 90°. The radius is 10. Find the area of the segment. A O B 12. Name the four Pythagorean triples_____________________________ 13. Find x and y a. b. c. x 10 y 9 x x 45 30 6 y 60 y x_____ y_____ x_____ y_____ 14. Find x a. x_____ y______ b. c. 10 12 7 x x x________ x________ d. x________ e. x x 9 x________ 4 5 x________ 15 15. Find the base of a triangle with altitude 15 and area 60. 16. Find the area of a parallelogram whose sides are 14 and 6 and whose acute angle is 60°. 17. A circle of radius 6 is inscribed in an equilateral triangle. Find the area of the triangle. 18. Find the area of a regular hexagon with sides 18 inches long. B d e 19. State the following trigonometric ratios: A a) sin A________ b) cos A________ c) tan A________ 20. Find x a) f C d) sin B__________ e) cos B__________ f) tan B__________ b) x 100 x 18 70 37 x_______ 21. Find A if a) sin A = .6754 x________ b) cos A = .2315 c) tan A = 2.9761 22. 23. K B 5 6 8 D M 6 R 10 3 A P O Find: RP__________ OP__________ Find AD________ 24. Does a triangle with sides 2, 5, 10 exist? Explain. 26. Find x 25. A scale model of the titanic is is 18.5 inches long. The scale is 1:570. To the nearest foot, how long was the titanic? 27. Find y. 28. Find z. 4 x 4 6 12 z 5 8 12 x_________ C 8 y 3 y_________ z__________ 29. Given the prism as shown. Find: a) Lateral Area_________ b) Total Area__________ c) Volume____________ 30) Given: FG = 2, GH = 8 HJ = 5,EM = 6 F G H E 31) Find the area of a triangle with sides 3, 6, and 7. O M Find: EO_________ EK_________ J K 32) If two sides of a triangle are 6 and 10, state the restrictions on the third side. 33) Complete: Describe how the following circles relate to one another: _________________ _____________ 34) _____________ 35) The quadrilateral is ___________ about the circle. The triangle is __________ in the circle. 36) Given the points A(-2, 3) and B(6,5) a) Find the slope of the line joining them b) Find the length of the segment joining them c) Find the midpoint of the segment joining them d) Find the slope of the line perpendicular and parallel to AB 37) a) If a radius is perpendicular to a chord, then it _______the chord b) If a radius bisects a chord, then it is _____________to the chord. 38) If a2 + b2 = c2, the triangle is right. What must be true if: a) a2 + b2 > c2 b) a2 + b2 < c2 39) If Donna Worry stands 4 feet tall and casts a 6 foot shadow, and Bea Happy stands next to her with an 8 foot shadow. How tall is Bea? 40) Suppose the angle of elevation of the sun is 40. If a flagpole casts a 40 foot shadow, how tall is the flagpole (to the nearest foot)? 41) Simplify 5 147 42) Find the perimeter A AE = 2 BE = 3 Radius = 1 E D C 43) 44) F B X A B O D 4 3 C If the area of the smaller figure is 27, what is the area of the larger figure? 45) State the restrictions on x. 40 x 70 Y If AB < CD, then OX_____OY 46) What is the slope of a horizontal line?________________ 47) What is the slope of a vertical line? _________________ 48) Write the equation of a line with slope -2 and y-intercept 1. 49) Write the equation of a line through (-2,3) and (6,-4) 50) Find the slope of the line with equation 2x + 5y = 10 51) Write an equation for a circle with center (5, -3) and radius 3. 52) In ABC, B < A < C. State the sides in order from largest to smallest.