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Answer: (a)- 
Step-by-step explanation:
Given
Central angle is 
The radius of the unit circle is 
Arc length is given by

Put the values

Answer:
12m^2
Step-by-step explanation:
volume = 48 m^3
l*b*h = 48
12*h = 48
h = 4 m
baSe of prism will be made of l and b
so area is 12 m^2
98 98/100 because you move the decimal point over 2 times
Answer: 14.4
Step-by-step explanation:
x:8.3 = 11.6:6.7
x = 11.6:6.7*8.3 = 14.4