Answer:
Area of circle is 
Step-by-step explanation:
Since angle
is given in radians, so using formula for area of sector in radians is given as,

Given area of sector and angle. Therefore substituting the values in above formula,

Cancelling out the common term,

Multiplying with 2 on both sides,

Therefore value of
is 
Formula for area of circle is,

Substituting the value,


Therefore area of circle is 
Answer:
50 60
Step-by-step explanation:
because if u add then multiply ok multiply 60 and 50 then,you add it you get ur answer
Answer:
Step-by-step explanation:
B= -20+45/56
B=-20.80
Answer:
Valid
Step-by-step explanation:
3(x-4)=x+4 <em>Given</em>
3x-12=x+4 <em>Distribute</em>
2x=16<em> Subtract x from both sides and add 12 to both sides</em>
x=8 <em>Divide each side by 2.</em>
<em> </em>
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