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Classify the four angles of the quadrilateral. B LA 60° C с ZB В 1409 LC 90° 700

Classify the four angles of the quadrilateral. B LA 60° C с ZB В 1409 LC 90° 700-example-1
User Shakil
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\angle B=60^(\circ)\text{ acute}
\angle C=140^(\circ)\text{ obtuse}
\angle A=90^(\circ)\text{ right}
\angle D=70^(\circ)\text{ acute}

User Minhee
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