Quadrilaterals 9 Warm Up.

Find all the numbered angles. If the figure is a …

1. Rectangle 2. Parallelogram

32°

24

3

1 57°

47°20°

1

2

3. Rhombus 4. Square

47°

1 3

2

1

2

5. Kite 6. Isos. Trapezoid

34°57°

1

2

3

31°97°

21°

3

1

2

Answer Bank: Select 8 answers from below. Write them on the 3 by 3 grid on your paper.

Rectangle 11 4 140°

Parallelogram 31° 6 130°

Isos. Trapezoid 70° 67.5 80°

100° - 66°

31

1. Find the m1.

(2x)°

(7x)°

1

2. Find the measure of ABC.

(5x)º

(2x + 24)ºA

B C

D

3. Find x.

(x + y)º

(x - y)º

4. Find mABC.

A

B

C(x2)°

(13x)°

5. Find the m1.

(3x + 90)°

(7x + 10)° 1

6. Find x.

(5x)°(3x)° 42°

50°

7. Graph the coordinates A, B, C, and D. Give the best name of the quadrilateral.

A(-4, 0), B(-2, 3), C(4, -1), D(2, -4)

8. ABCD is a rectangle with diagonals intersecting at E.

If the mADB = (9x – 5)° and mACB = (4x + 25)°, find x.

9. RSTV is a rhombus with diagonals intersecting at E.

If mTRS = 9x + 5 and

mSVT = x + 25, find mSVT.

10. ABCD is an isosceles trapezoid with

legs and .

If mA = (x2)° and mC = (8x)°,

find the mA.

AD BC

11. Find x.

26°

(x + 5y)° 34°

(2x + 3y)°

12. What is the best name of

quadrilateral JKLM if JM = KL

and . ML ll JK

13. Graph ABCD and find the slope

of .

A(-4, 1) B(-3, 4)

C(3,2) D(2, -1)

AD

14. In parallelogram ABCD, find mABC.

75°

A B

C

105°

35°40°D

15. What is the best name of

quadrilateral JKLM if JK = ML

and .ML ll JK