Answer:
a=-79/2=-391/2=-39.5
Step-by-step explanation:
a+45=11/2 subtract 45 from both sides
a=11/2-45 convert 45 to fraction 90/2
a=11-90/2 subtract 90 from 11 to get -79
Answer:
When the diameter is given you just take half of it so simply put what is half of 16pi and it will give your answer. :)
Step-by-step explanation:
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πr^2 = area
Half the diameter to get the radius
Substitute the values in:
area = 3.142 x (7)^2
area = 153.958 cm^2
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- Ally ✧
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This will help a lot if you go to desmos! Just graph the equation on there! It’s much easier to see on computer
