3 years ago

The perimeter of this quarter circle with radius, r= 23mm. Give your answer rounded to 1 DP.

Mathematics

1 answer:

marysya [2.9K]3 years ago

5 0

Answer:

82.1

Step-by-step explanation:

So the circumference of the whole circle is 46π.

A quarter of that is 11.5π.

11.5π ≈ 36.1283155163

Simplify that to 1 decimal point: 36.1

Then you add 46 to that.

36.1 + 46 = 82.1

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