+122 https://prnt.sc/hxrszx
https://prnt.sc/hxrt6n part 1
https://prnt.sc/hxrt8a part 2
https://prnt.sc/hxrtrc part 1
https://prnt.sc/hxrtsr part 2
https://prnt.sc/hxrtu0 part 3
+9466 
(a) Yes. m∠ACB = m∠ECD since they are vertical angles, and m∠ABC = m∠CDE . So by the AA congruency postulate, △ABC ~ △EDC .
(b) Since △ABC ~ △EDC ....
DE / DC = BA / BC
32 / 22 = BA / 100 Multiply both sides of the equation by 100 .
145.45 ≈ BA
The width of the river is approximately 145.45 ft.
+9466
(a) Yes. m∠ACB = m∠ECD since they are vertical angles, and m∠ABC = m∠CDE . So by the AA congruency postulate, △ABC ~ △EDC .
(b) Since △ABC ~ △EDC ....
DE / DC = BA / BC
32 / 22 = BA / 100 Multiply both sides of the equation by 100 .
145.45 ≈ BA
The width of the river is approximately 145.45 ft.
