Question

Pls help!! look at photo

Answer 1

A : 2:1
because the first one has double the radius (2)

Answer 2

2 : 1

Step-by-step explanation:

`\sf area \ of \ sector: (\theta)/(360) \pi r^2`

1st sector:

`\sf \rightarrow area: (80)/(360) \pi (8)^2 = 44.68 \ cm^2`

2nd sector:

`\sf \rightarrow area: (160)/(360) \pi (4)^2 = 22.34 \ cm^2`

Ratio of 1st sector to 2nd sector:

44.68 : 22.34

2 : 1