Answer:
49cm^2
Step-by-step explanation:
The perimeter is just a continuous line which forms the boundaries of a geometric figure.
The perimeter is just all the sides added up.
12cm+10cm+10cm+8cm+6cm+3cm = 49cm^2
The third one
5/6 is the answer
40 miles per hour. if you take 60 divided by 1.5(the speed over time) you get 40mph