Mathematics, 13.05.2021 14:00 bskyeb14579

15. In the diagram below, AB, BC and CD are three sides of a regular polygon. The polygon has 15 sides.
The length of each side is 8 cm.
The exterior angle of the polygon is x'.
BRC is a right-angled triangle.
D
с
8 cm
B
R
Diagram not drawn to scale
Calculate the length of BR.

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15. In the diagram below, AB, BC and CD are three sides of a regular polygon. The polygon has 15 si...