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Mathematics, 17.07.2019 17:30 xxaurorabluexx

In isosceles triangle abc, ∠a = 80°. the bisectors of the base angles, ∠b and ∠c, intersect at point p. ∠bpc = 50° 100° 130°

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In isosceles triangle abc, ∠a = 80°. the bisectors of the base angles, ∠b and ∠c, intersect at point...
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