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2 years ago

11

The radius of a regular decagon, a 10-sided figure, is 15 units. The length of one side of the polygon measures about 9.3 units.

What is the approximate area of the regular decagon rounded to the nearest tenth?

2 answers:

artcher [175]2 years ago

8 0

Answer:

C. 663.1 square units

Step-by-step explanation: i got it right on edge

Cerrena [4.2K]2 years ago

5 0

Ia=5/2*9.3^2(5+2--5)
a=665.47unit ^2
which then means 663.1

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