Acc Math 1 March 19th Turn in Homework and Get a Calculator

WARM-UP

ABCD is a RHOMBUS 1. If

What is the measure of ?

2. In the kite If

What is the measure of

D C

BA

E

46ABEmBCE

E

D

C

B

A 38BCE

?EBC

Check homework – p. 17 481266126612122 122 58 12258 58 122 58

7111566126612112 112 68 11268 68 112 68

1316195.55.5115.55.511123 123 57 12357 57 123 57

88141412176561251 51 39 6327 27 63 3990 90 90 90

Check homework – p. 181. ABCD2. ABCD3. ABCD4. EF5. F6. G7. ABCDF8. CDG9. Rectangle10. Trapezoid11. Square

3. 13.54. 165. 1336. 697. 368. 139. 9.510. 1711. 2512. 9113. 114. 10.7415. 28.8

QUIZ TOMORROW OVER QUADRILATERALS

DISTANCE AND MIDPOINT:Activating Strategy p. 21Read the scenario and answer the

questions.Find the exact distance from Heather’s to

Danny’s if you go the shortest route.

p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint

of the segment (the average between the two points)

p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint

of the segment (the average between the two points)

Formula:

2,

22121 yyxx

p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint

of the segment (the average between the two points)

Formula:

Distance Formula:

2,

22121 yyxx

221

221 )()( yyxx

p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint

of the segment (the average between the two points)

Formula:

Distance Formula:

Slope: or

2,

22121 yyxx

221

221 )()( yyxx

run

rise

12

12

xx

yy

p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint

of the segment (the average between the two points)

Formula:

Distance Formula:

Slope: or

If two lines have the same slope, they are parallel.

2,

22121 yyxx

221

221 )()( yyxx

run

rise

12

12

xx

yy

p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint of

the segment (the average between the two points)

Formula:

Distance Formula:

Slope: or

If two lines have the same slope, they are parallel.If two lines have opposite slope, they are

perpendicular.(They are negative reciprocals)

2,

22121 yyxx

221

221 )()( yyxx

run

rise

12

12

xx

yy

p. 30 Distance, Midpoint and Slope

If two lines have the same slope, they are parallel.

(Lines never intersect)If two lines have “opposite” slopes, they are

perpendicular.(Lines intersect at 90o angle)

They are negative reciprocals