standard_description: Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms.
problem_activity: Given:
$${BC=7}$$
,
$${\overleftrightarrow{AD}}$$
bisects
$${\angle BAC}$$
Find: measure of
$${BD}$$
and the measure of
$${DC}$$
[IMG]


aligns: no