63

The sector is

; there are 360 degrees in a circle.
You use the formula

.
18cm is the radius, and then you square it to get 324.
Multiply 324 by

You get 63
Answer:
Looks like it's 1.
Step-by-step explanation:
Since it is a positive slope and it goes up 1 unit, the slope is 1.
Answer:
Bạn không tử tế :) Đó là một trò đùa
Step-by-step explanation:
Đi qua
Answer:
14 pushups per min
70 pushups in 5 min
Step-by-step explanation:
Perimeter = (x+2) + x + (x+2) + x
Perimeter = 4x + 4
Area = x(x+2)
Area = x^2 + 2x