Math 27

Learn Math Part 27

100

Review: R=6

113.04

200

Review: 7 area

7x7=49

300

Review: 54 34

54x34=1836

400

Example 3 5 8

1. same thing as triangle area 3x5x8 1/2

2. 15x8=120 240

5 5 5

5x5x5=25x5=125 250

500

Example: R=5 H=8

1. V=BxH 3.14r²

2. 3.14x5²=78.5x8=628

R=3 H=5

3.14x3²=28.26x5=141.3

Volume

100

5 6 4

5x6x4=30x4=120

200

6 6 3

6x6x3=36x3=108

300

5 7 10

5x7x10=35x10=350

400

12 10 5

12x10x5=120x5=600

500

54 53 52

54x53x52=2862x52=148824

Square Volume

100

5

5x5x5=25x5=125

200

2

2x2x2=4x2=8

300

10

10x10x10=100x10=1000

400

12

12x12x12=144x12=1728

500

25

25x25x25=625x25=15625

Triangle Volume

100

5 6 4

120 240

200

6 6 3

108 216

300

5 7 10

350 700

400

12 10 5

600 1200

500

12 13 15

2340 4680

Cylinder Volume

100

R=6 H=6

678.24

200

R=6 H=3

339.12

300

R=5 H=10

785

400

D=12 H=5

565.2

500

D=12 H=15

1695.6