523% × 10 = (523/100) × 10 = 52.3
Answer: the area is 20 square centimeters.
Step-by-step explanation:
The area of an arc of angle x in a circle of radius r is:
A = (x/3.14)*3.14*r^2 = x*r^2
here we have x = (4/5)*3.14 and r = 5cm
Then the area is:
A = (4/5)*(5cm)^2 = 20cm^2
Answer:
Step-by-step explanation:
since -1≤sin2x≤1 no x values would satisfy the equation
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