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32°. 57°. 1. 1. 3. 2. 20°. 2. 47°. 4. Quadrilaterals 9 Warm Up. Find all the numbered angles. If the figure is a … 1. Rectangle 2. Parallelogram. 1. 47°. 2. 2. 1. 3. 3. Rhombus 4. Square. 5. Kite 6. Isos. Trapezoid.

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Presentation Transcript
slide1

32°

57°

1

1

3

2

20°

2

47°

4

Quadrilaterals 9 Warm Up.

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

1. Rectangle 2. Parallelogram

slide2

1

47°

2

2

1

3

3. Rhombus 4. Square

slide3

5. Kite 6. Isos. Trapezoid

1

1

31°

97°

34°

2

3

57°

3

21°

2

slide4

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°

slide5

Find the m1.

(7x)°

1

(2x)°

slide6

(2x + 24)º

A

D

(5x)º

B

C

2. Find the measure of ABC.

slide7

(x + y)º

(x - y)º

3. Find x.

slide8

4. Find mABC.

A

(13x)°

B

(x2)°

C

slide9

(3x + 90)°

(7x + 10)°

1

5. Find the m1.

slide10

(5x)°

50°

(3x)°

42°

6. Find x.

slide11

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)
slide12

ABCD is a rectangle with diagonals intersecting at E.

  • If the mADB = (9x – 5)° and mACB = (4x + 25)°, find x.
slide13

RSTV is a rhombus with diagonals intersecting at E.

  • If mTRS = 9x + 5 and
  • mSVT = x + 25, find mSVT.
slide14

ABCD is an isosceles trapezoid with

  • legs and .
  • If mA = (x2)° and mC = (8x)°,
  • find the mA.
slide15

11. Find x.

(2x + 3y)°

26°

34°

(x + 5y)°

slide16

What is the best name of

  • quadrilateral JKLM if JM = KL
  • and .
slide17

Graph ABCD and find the slope

  • of .
  • A(-4, 1) B(-3, 4)
  • C(3,2) D(2, -1)
slide18

A

B

75°

105°

40°

35°

C

14. In parallelogram ABCD, find mABC.

D

slide19

What is the best name of

  • quadrilateral JKLM if JK = ML
  • and .