Find m∠ABC in each diagram. Two angles that share a vertex and common side. A small square shows that the sum of the measure of the two angles is 90 degrees. The measure of the smaller angle is 36 degrees. The measure of angle CBA is not given.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.