Answer:
21 m
Step-by-step explanation:
P= a+b+c
so it be 9+7.5+4.5 = 21
9-1.5 = 7.5
9/2 = 4.5
Answer:
Below :)
Step-by-step explanation:
1) 5^2 = 25
2) 12^2 = 144
3) 9^2 = 81
4) 15^2 = 225
5) 8^2 = 64
6) 7^2 = 49
7) 20^2 = 400
8) 13^2 = 169
9) 30^2 = 900
10) 25^2 = 625
Answer:
136
Step-by-step explanation:
