Parts. Congruent. Corresponding. Triangles. Congruent. SC. SAS. SC. Reflexive or CPCTC. CPCTC. CR. 4. CPCTC. <CLS is congruent to <CRS. CPCTC. < 5 is congruent to < 6. Right angles. The ground must be level. perpendicular. level. 1. GIVEN. 1. 2. REFLEXIVE.
Reflexive or CPCTC
<CLS is congruent to <CRS
< 5 is congruent to < 6
The ground must be level.
PS is congruent to PS
Triangle RPS is congruent to triangle QSP
The river would be 20 x 2.5 or 50 feet wide.