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What is the surface area of half a sphere?
its 2 pie r squared BUT you have to add back the base (a circle) which is pie r2 The original formula is 4 pie r squared Your new formula is (2 pie r squared + pie r squared)
How do you findArea of a circle?
well the formula to find the area of a circle is Area=pie x radius squared so if i say calculate the area of a circle with the following measurements giving your answer in terms of pie. Radius=8cm Area=pie x radius squared Area=pie x 8 squared Area= 64 pie cm squared If you do this calculation on your calculator ( pie x 8 squared) you should get the same answer. I hope this helped. If you need anything else veryfying then please ask. :)
How is pie squared?
its 3.14x3.14... aka 9.8596
What is negative 4x squared plus 12x squared?
8x squared
What is the answer to -3 squared?
The answer ti -3 squared is similar to the answer to 3 squared. When a negative is multiplied by a negative, you get a positive, so the correct answer is 9
