Question

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

Answer 1

$\angle B=60^{\circ}\text{ acute}$$\angle C=140^{\circ}\text{ obtuse}$$\angle A=90^{\circ}\text{ right}$$\angle D=70^{\circ}\text{ acute}$