The perimeter of ADC is 9.5 cm.
<span>"Find the value of the derivative (if it exists) at each indicated extremum. To solve this, apply derivatives in calculus.
f (x) = cos(πx/2)
the first derivative is the change at the indicated extremum
f'(x) = -</span>π/2sin(πx/2)
Answer:
the answer is 8.
Step-by-step explanation:
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