Mathematics

Imogen

13 November, 20:47

A regular pentagon is shown.

A regular pentagon has an apothem with length 10 centimeters and a radius with length c. The apothem cuts the side into 2 equal lengths of b.

What is the measure of the radius, c, rounded to the nearest hundredth? Use an appropriate trigonometric ratio to solve.

5.88 cm

8.09 cm

12.36 cm

17.01 cm

+1

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