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G.9 , Rectangle, , , WS

Name: ______Date: ______Block: ______Decide whether the statement is true or false. Decide whether the converse is true or false. If both statements are true, write a biconditional statement. 1) If a is a rectangle, then it is a . 2) If a quadrilateral is a parallelogram then it is a rhombus.

3) If a quadrilateral is a square, then it is rhombus.

4) If a quadrilateral is a rectangle, then it is a rhombus.

5) If a rhombus is a square, then it is a rectangle.

In the diagram shown, BDEF is a rectangle, ABCD is a rhombus, and GDE  63. Find the measure of the . 6) GDB 7) ABC 8) DAB

9) BCG 10) GCE 11) DEG

12) AHB 13) DGB

Classify the quadrilateral (explain why). Then find the values of x and y.

14) 15)

Find the indicated measure for the figure. 16) PQRS is a rhombus. 17) WXYZ is a rectangle. 18) DEFG is a square. Find Find mQPR, mQTP , XZ=12. Find mWXZ , mGHF , mDGH , HF, RP, and QT. mWPX , PY, and WX . and DE .

19) The of rhombus ABCD form several . Using a two-column proof, prove that BFA  DFC . Given: ABCD is a rhombus Prove: BFA  DFC Geometry G.9 Rhombus, Rectangle, Square, Trapezoid, Kite WS Page 2

Points A, B, C, and D are the vertices of a quadrilateral. Determine whether ABCD is a trapezoid. 20) A(-2, 3), B(3, 3), C(-1, -2), D(2, -2) 21) A(-3, 2), B(3, 0), C(4, 3), D(-2, 5)

Quadrilateral ABCD is a trapezoid with midsegment EF . 22) If mB  73 then mC  ?

23) If mA  51 and mC 105then mD  ?

24) If AB = 28 and DC = 13, then EF = ?

25) If EF = x + 5 and DC + AB = 4x+6, then EF = ? The figures below are kites. Find the measures of the missing angles. 26) 27)

Use the to find the side of the kite in simplest radical form. 28) 29)

Find the value of x. 30) 31) 32)

33) You cut a piece of fabric in the of a kite so that the congruent angles of the kite are 100. Of the remaining two angles, one is 4 times larger than the other. What is the measure of the largest in the kite?