Warm UpSolve for x.

1. 16x – 3 = 12x + 13

2. 2x – 4 = 90

ABCD is a parallelogram. Find each measure.

3. CD 4. mC

RECTANGLESA quadrilateral is a rectangle if:1.Opposite sides are congruent2.Opposite sides are parallel3.Opposite angles are congruent4.Consecutive angles are supplementary5.All four angles are right angles 6.Diagonals are congruent 7.Diagonals bisect each other8.Diagonals create 4 isosceles triangles.

1. If m ∠ 1 = 30, find m ∠ 2.2. If m ∠ 6 = 57, find m ∠ 4.3. If m ∠ 8 = 133, find m ∠ 2.4. If m ∠ 5 = 16, find m ∠ 3.

QUADRILATERAL QUAD IS A RECTANGLE. FIND THE VALUE OF X. 1. DU = 26, QP = 2X + 7

2. m ∠ 2 = 52, m ∠ 3 =16x - 12

3. m ∠ 4 = 6x – 16 m ∠ 2 = 2x + 4

4. DP = 4x + 1 QP = x + 13

5. m ∠ 3 = 70 – 4x m ∠ 6 = 18x - 8

1. QS = 10, QC = 2x + 1, TC = 3x – 1, Find x.

QRST is a rectangle and QZRC is a parallelogram.

2. m ∠TQC = 70. Find m ∠ QZR.

3. m ∠ RCS = 35. Find m ∠ RTS.