A Susan B. Anthony dollar coin has a

Kaleb Riddle

Kaleb Riddle

Answered question

2022-03-15

A Susan B. Anthony dollar coin has a diameter of 26.50 millimeters. What is the area of the coin to the nearest hundredth?

Answer & Explanation

Pentyrch9ci

Pentyrch9ci

Beginner2022-03-16Added 9 answers

Step 1
Coin's diameter is 26.50 millimetres
using the unit of measurement of mm for millimetres
So its radius is
12×26.50=13.25 mm
Area of a circle is
π×(radius)×(radius)π(radius)2
So the area is
π×13.25×13.25
Using a calculator this is: 551.54586
For the nearest hundredth we have the cut off point:
551.54|586cut off point
The digit immediately to the right of the cut of point is classified as 5 or more. So the digit to the left of the cut off point is raised by 1 and all those to the right made into 0
551.55|000The 4 changed to 5

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