Question

(a) Identify three triangles in the figure.

(b) Write the names of seven angles.

(c) Write the names of six line segments.

(d) Which two triangles have $ \angle B$ as common?

Answer 1

(a) The three triangles in the figure are $△ABC,△ABD,△ACD$

(b) The names of the seven angles are $\angle ABC,\angle ADB,\angle ACD,\angle ADC,\angle DAC,\angle DAB,\angle BAC$

(c) The names of the six line segments are $\overline{AB},\overline{AC},\overline{BC},\overline{AD},\overline{BD},\overline{DC}$

(d) $△ABCand△ABD$ are having $\angle B$ as common.