Why is my answer wrong ?

How are sas and sss used to show that two triangles are congruent?

Someone me what is the area of this figure? 18m 18m 8m 16m

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.