P & A of Triangles

P = 30 un
A =30 un2

A = 138 cm2

P = 52 yd
A = 165 yd2
52 - 12 + 9
22
1/2 + 5/6 + 7/12
23/12 or 1 and 11/12

P = 32 cm
A = 48 cm2

A =48 in2
P = 50 in
A = 135 in2
12 + 33 ÷ 3
21
6 and 2/5 - 2 and 1/5
4 and 1/15 or 61/15

P = 32 un
A = 35 units2

A = 225cm2

P = 9 m
A = 4.5 m2
18 ÷ 6 x 3 - 32 + 5
5
7/10 x 1 and 2/3
7/6 or 1 and 1/6

P = 40 in
A = 63 in2
A = 165 m2

b = 10 km
20 - 3(8 - 5 + 2)
5
4/5 divided by 3/8
32/15 or 2 and 2/15

P = 29 cm
A = 20 cm2

A = 18 cm2

P = 24 un
A = 28 un2
(17 - 3 + 8) ÷ (9 x 2 + 4)
1
2/7 divided by 2/5 x 3/10
3/14