The surface area will increase by a factor of 49/16
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2w+2(10)=30
multioly the 2 and 10
2w+20=30
subtract 20
2w=10
divide by 2
w=5
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<span>The central angle in a minor arc is acute. In a minor arc, the angle must be less than 180˚. However, it doesn't have to be less than 90˚. So the central angle is sometimes acute.
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Answer: There are 27 trees he can plant in one row. There is one pine tree and 2 oak trees in each row
Step-by-step explanation: