answer - true
all rectangles have four sides, and a shape is a quadrilateral if it has four sides
therefore, all rectangles are quadrilaterals
Answer:
-8
Step-by-step explanation:
(-8+6) * -4
-2 * -4= 8
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Answer:
Positive real 1
Negative real 0
Complex 2
Step-by-step explanation:
∵ 4x³ + x² + 10x - 14 = 0 is third degree
∴ It has three roots:
1 positive real root
2 conjugate complex roots
Using the formulas
A=πr2
C=2πr
Solving forC
C=2πA
Your answer: 21.27