Question

Garry wants to put a path in his garden. The shape of each paving stone is an isosceles trapezium. The path will follow a complete circle. If there are 20 stones, what is the size of angle x

Answer 1

Step-by-step explanation:

You end up with a regular polygon with 20 equal sides (and angles). The *exterior* angles always add up to 360°, so each *exterior* angle is 18°.

Answer 2

Answer:

HINT.   The central angle at the center of the circular path must be   360/20 = 18 degrees.

Step-by-step explanation:

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