standard_description: Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.
problem_activity: Given:
$${BC=7}$$
,
$${\overleftrightarrow{AD}}$$
bisects
$${\angle BAC}$$
Find: measure of
$${BD}$$
and the measure of
$${DC}$$
[IMG]


aligns: no