Review Unit 5 t Find the measure of one interior angle in each regular polygon. Round your answer to the nearest tenth if necessary.
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1 Worksheet by Kuta oftware LLC -1- Geometry Review nit 5 t Find the measure of one interior angle in each regular polygon. Round your answer to the nearest tenth if necessary. 1) 2) regular 18-gon Find the measure of one exterior angle in each regular polygon. Round your answer to the nearest tenth if necessary. 3) 4) regular pentagon olve for x. Each figure is a parallelogram. 5) X x Y 6) x W T
2 Worksheet by Kuta oftware LLC Find the measurement indicated in each parallelogram. 7) CM x CE x Find CM C D 8) KX x KM x Find KM K L M X B E J M 9) Z x x Find T Z 10) Find m x R X x W olve for x. Each figure is a trapezoid. 11) PR Q x P 12) Q R R Q P x Find the length of the midsegment of each trapezoid. Find the length of the diagonal indicated for the trapezoid. 13) F x x E 14) W x T x Find W G D T W
3 15. olve for x. 16. m 1 = m 2 = m 3 =
4 how all of your work clearly and completely! 1. The coordinates of the vertices of quadrilateral TRAP are T(- 6, 2), R(- 10, - 3), A(- 6, - 6) and P(2, - 4). a. Graph and label TRAP. b. se the slope formula to show that TRAP is a trapezoid. c. Examine your answer to part b and determine if TRAP is a right trapezoid. How do you know? d. se the distance formula to determine whether TRAP is isosceles. 2. Draw rhombus RHOM with diagonal RO. Find x if m HRO = 5x 30 and m MRO = 3x + 6.
5 3. tatements Reasons Given: LEN and NGTH Prove : L T 4. The car at each vertex of a Ferris Wheel holds a maximum of five people. The sum of the interior angles of the Ferris Wheel is What is the maximum number of people the Ferris Wheel can hold olve each equation for x!! =!!!!!!! 1. -5x + 16 = -2 (x 1) 2. Algebra Review Multiply! Factor! 3. (x + 4)(x - 4) 4. x 2 + 2x Graph the equation: y - x = 0 6. Graph the equation: 4y = x
6 nit 5 Theorems The following theorems will not be given on the nit 5 test. Please make sure you know each theorem well! Polygon Theorems: Polygon Angle-um Theorem: The sum of the measures of the angles = (n 2)(180 ). Corollary: The measure of each angle of a regular n-gon is (!!!)(!"# )! Polygon Exterior Angle-um Theorem: The sum of the measures of the exterior angles of a polygon, one at each vertex, is 360. Parallelogram Theorems: If a quadrilateral is a parallelogram, then its opposite sides are congruent. If a quadrilateral is a parallelogram, then its consecutive angles are supplementary. If a quadrilateral is a parallelogram, then its opposite angles are congruent. If a quadrilateral is a parallelogram, then its diagonals bisect each other. Theorems for Proving Parallelogram: If both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram. If an angle of a quadrilateral is supplementary to both of its consecutive angles, then the quadrilateral is a parallelogram. If both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram. If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram. If one pair of opposite sides of a quadrilateral is both congruent and parallel, then the quadrilateral is a parallelogram. Rhombus Theorems: If a parallelogram is a rhombus, then its diagonals are perpendicular. If a parallelogram is a rhombus, then each diagonal bisects a pair opposite angles. Theorems for Proving Rhombuses: If the diagonals of a parallelogram are perpendicular, then the parallelogram is a rhombus. If one diagonal of a parallelogram bisects a pair of opposite angles, then the parallelogram is a rhombus. Rectangle Theorems: If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle. If a parallelogram is a rectangle, then its diagonals are congruent. Trapezoid Theorems: If a quadrilateral is an isosceles trapezoid, then each pair of base angles is congruent. If a quadrilateral is an isosceles trapezoid, then its diagonals are congruent. Trapezoid Midsegment Theorem: If a quadrilateral is a trapezoid, then: 1.) the mid-segment is parallel to the bases, and 2.) the length of the mid-segment is half the sum of the lengths of the bases. Kite Theorems: If a quadrilateral is a kite, then its diagonals are perpendicular.
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