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Unit 7 Vocabulary Crossword Puzzle

Name: ___________________________________
Date: __________________ Period: ____________
Due Date: March 28, 2019    Last Day: April 2, 2019
Across
(P. 892) The ______ of a regular polygon is the point that is equidistant from the vertices.
(p. 481) You have used __________ geometry to find the midpoint of a line segment and to find the distance between two points. ___________ geometry can also be used to prove conjecture.
(p. 816) Recall that a(n) _____ section is a region of a plane that intersects a solid figure.
(p. 397) If the diagonals of a quadrilateral bisect ____ _____, then the quadrilateral is a parallelogram.
(p. 418) If the diagonals of a parallelogram are _____________, then the parallelogram is a rhombus.
(p. 387) If a quadrilateral is a parallelogram, then its diagonals _______ each other.
(p. 428) A trapezoid is isosceles if and ____ if its diagonals are congruent.
(p. 385) ____________ angles are the angles at ___________.
(p. 427) The pair of parallel sides of the trapezoid (or either pair of parallel sides if the trapezoid is a parallelogram) are called the _____ of the trapezoid.
(p. 407) If a quadrilateral is a rhombus, then it is a parallelogram. If a parallelogram is a rhombus, then its diagonals are perpendicular. If a parallelogram is a rhombus, then each diagonal bisects a(n) ____ of opposite angles.
(p. 383) A(n) _____________ is a polygon with four sides.
(p. 427) A(n) _________ trapezoid is one in which the legs are congruent but not parallel.
(p. 425) A(n) ____ is a quadrilateral with two distinct pairs of congruent consecutive sides.
(p. 815) A(n) ___ is a diagram of the surfaces of a three-dimensional figure that can be folded to form the three-dimensional figure.
(p. 406) If a quadrilateral is a rectangle, then it is a parallelogram. If a parallelogram is a rectangle, then its ________ are congruent.
(p. 407) A(n) _______ is a quadrilateral with four congruent sides.
(p. 892) The _______ is the distance from the center to a side.
(p. 427) A trapezoid has two pairs of base angles: each pair consists of the two angles ________ to one of the bases.
(p. 426) If a quadrilateral is a kite, then _______ one pair of opposite angles are congruent.
(p. 418) If ___ pair of consecutive sides of a parallelogram are congruent, then the parallelogram is a rhombus.
Down
(p. 482) As you will see, _____ is useful in coordinate proofs whenever you need to show that lines are parallel or perpendicular.
(P. 430) The __________ of a trapezoid is the segment whose endpoints are the midpoints of the legs.
(p. 386) If a quadrilateral is a parallelogram, then its opposite ______ are congruent.
(p. 383) A(n) _____________ that has two pairs of parallel sides.
(p. 417) If one angle of a parallelogram is a(n) _____ angle, then the parallelogram is a rectangle.
(p. 395) If both pairs of opposite sides of a quadrilateral are _________, then the quadrilateral is a parallelogram.
(p. 409) A(n) ______ is a quadrilateral with four sides congruent and four right angles.
(p. 385) If a quadrilateral is a parallelogram, then its opposite _____ are congruent.
(p. 396) If ____ pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram.
(p. 482) Remember that the _________ Formula is length = √[(x2 - x1)²+(y2 - y1)2].
(p. 427) A(n) _________ is a quadrilateral with at least one pair of parallel sides.
(p. 482) The slopes of opposite sides are equal. This means opposite sides are ________.
(p. 494) You can use _________ and area techniques to solve problems.
(p. 405) A(n) _________ is a quadrilateral with four right angles.
(p. 384) A segment that connects two nonconsecutive vertices of a polygon is a(n) _______.
(p. 431) The midsegment of a trapezoid is parallel to each base, and its length is one half the ___ of the lengths of the bases.
(p. 396) If one pair of ________ of a quadrilateral are parallel and congruent, then the quadrilateral is a parallelogram.
(p. 431) You can use the Trapezoid Midsegment ______ to find the length of the midsegment or a base of a trapezoid.
(p. 892) The _______ of the central angle is equal to 360°/n, in which n is the number of sides of the polygon.
(p. 892) A(n) _______ angle of a regular polygon has its vertex at the center, and its sides pass through consecutive vertices.
(p. 815) To identify a three-dimensional figure from a net, look at the number of ____s and the shape of each ____.