We use the ratio x:360 to find portions of the circle (again, through the ratio)
so we use 60/360 = x/30 in^2
1/6 = x/ 30
x = 5.
The answer is 5 in^2
Answer:
option 1
Step-by-step explanation:
÷ 
• leave the first fraction
• change division to multiplication
• turn the second fraction 'upside down'
=
×
( cancel 5 and 10 by 5 )
=
× 
= 
4x^2-9=4(x^2-9/4)=4(x-3/2)(x+3/2) i think that is correct answer.