Multiply the numbers on the major axis which are 2 and -9 to get -18. Subtract from that 3*4 = 12. So -18-12 = -30. That's the determinant.
Area of circle= π·r² so, π·20²= π·400≡ 1256.637061
Answer:the answer is six
Step-by-step explanation:
Answer is less than or equal to -7 or -5greater than or equal to
<span>A diagonal cross section of a sphere produces a circle.
Regardless of how the sphere is cut, it will form a circle.
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