How many blocks do you need to add to square 6 to get 7? to square 9 to get square 10? to square 19 to get square 20? explain

What other information do you need to prove triangle dac=bca by asa

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse. a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?