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
Answer:
C = 2 x π x r
Step-by-step explanation:
π = pi 3.14
r = radius
C = circumference
Answer:
B. $36.39
Step-by-step explanation:
29.85x 1.06= $31.64 with sales tax.
31.64x 1.15= 36.39
X will stand for every extra book sold
880 = 4x + 500
subtract 500 from both sides
380 = 4x
divide both sides by 4
x = 95
they sold 95 books
