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Mathematics, 23.10.2020 16:00 annie8348
A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a common vertex. The total number of degrees in the center is 360°. If all five vertex angles meeting at the center are congruent, what is the measure of a base angle of one of the triangles? 54° 72° 108° 144°
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A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a com...
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