Question

Hey guyz plz answer this quetion fast with explanation​

Answer 1

Answer:

hey

Step-by-step explanation:

Answer is in attachment....

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Answer 2

Answer:

Step-by-step explanation:

Area of sector =Ф/360°×πr^2

3.85= 36/360×22/7×r^2

3.85=1/10×22/7×r^2

3.85= 22/70×r^2

3.85 can be written as 385/100

385/100=22/7×r^2

385/100/22/70=r^2

49/4=r^2

√49/4=r

7/2=r

Therefore radius is 7/2m or 3.5cm

If helpful

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