The sides of a triangle are 12 inches, 21 inches and 19 inches. What

The sides of a triangle are 12 inches, 21 inches and 19 inches.
What would be the perimeter?
Title: Jan 4­3:14 PM (1 of 5)
12"
" = inches
' = feet
Title: Jan 4­7:10 PM (2 of 5)
C =
d
' = feet
" = inches
11'
C = 3.14 (11)
C = 34.54 ' ft.
d = 6 inches
3.14 x 6
3.14 . 6
r = 7 cm
C = 3.14 (6)
C = 18.84 in.
d = 14
7 cm
C = 3.14 . 14
c = 43.96 cm
d = 2.45 m
Title: Jan 5 ­ 10:01 AM (3 of 5)
Title: Jan 18 ­ 8:49 AM (4 of 5)
Title: Jan 18 ­ 8:50 AM (5 of 5)