The width becomes 21 centimeters hope this helps:)
I think the answer is 1d.
D because the line is decreasing .
Answer:
0.43
Step-by-step explanation:
2+3+1+1=7
7*4+28==Area of full shape
(2*4)+(1*4)=12==Area of shaded shapes
12/28=0.428571>rounded up>0.43