Answer:
37.68
Step-by-step explanation:
C= Pie x C
C = 3.14 x 12
Answer:
The area is 8 mm squared.
Step-by-step explanation:
The formula for the area of a triangle is 1/2 times base times height. If you plug the base and height in, you can solve this. When you plug it in, you get 1/2 times 2 times 8. This simplifies to 1/2 times 16, which simplifies to 8.
The second one is the correct answer
93.6
78*0.20=15.6
78+15.6=93.6
Slower jet speed is x
so the two speeds are 624 and 684