Im not sure wym but i think the answer is 20
Answer:
307cm²
Step-by-step explanation:
This is a composite firgue so we need to split the two shapes, then find the area of both.
find the area of the rectangle
A=b*h
A=18*10
A=180
then find the area of the semicircle
A=1/2Pi*r²
A=1/2Pi*81
A=127.75 (We need to find the radius of the semicircle then square it)
then add the two areas 180+127.75=307.75
find the closet unit its
307cm²
23/100×$640=147.2 is the answer
Answer:
It's c because you times 2500 by .07 then add that amount to 2500.
Step-by-step explanation:
Kono Dio Da!!!!
-root 3*63x^2 is the answer you want
