The radius of a 10 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.1 inch. What is the
1 answer:
Answer:
Step-by-step explanation:
Given that a cylinder has radius equal to 10 inches but measured to be 4 inches
The margin of error is +1 or -1 meaning that
the radius can take values between 3.9 and 4.1 inches
Volume of cylinder =
where h is height
The above is the actual volume.
Measured volume would be between radius 3.9 and 4.1 inches
i.e. Measured volume =
Volume would be between these two values
Possible error =100-15.21 = 84.79 pi h
OR = 84.19 pi h cubic inches
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Answer:
Area of triangle ABC=7 square units
Area of triangle A'B'C'=7 square units
Step-by-step explanation:
Triangle ABC is the preimage of triangle A'B'C' under a reflection in the line x=0.
The two triangles are congruent so they have the same area.
We can calculate the area by counting the unit squares the triangle covered.
Each full box is 1 units square.
Each triangle covered
1 full box and 12 partially covered boxes.
Each partial box covered is 0.5 square units.
Therefore the area is
square units