Answer:
1 = 21 m
2 = 120 cm
3 = 84 cm
4 = 3 km
5 = 10 m
6 = 55 mm
7 = 60 cm
8 = 500 mm
Step-by-step explanation: you see where it says "perimeter = 3s" right? for each question you have to replace "s" with the number given so for the first one it would be 3 x 7. You had to do the same thing with the others but sometimes we get confused in math :D
Rectangle on top is 4 units by 8 units = 32 units squared.
The half circle has radius 2, so the area is pi*2^2/2 = 4pi /2 = 2pi
Total area is 32+2pi or approx 38.28 square units, answer C
Answer: 400
Step-by-step explanation: 2400 divide by 6 which is = to 400
in other way 400x6 = 2400 we just div that.
Answer:
347(8) = C
Step-by-step explanation:
