Need help with 1-4.

Accepted Solution

Answer:for number 4 the answer is 32 in (please read below)Step-by-step explanation:I will do one of them for now... how about number 4.Similar triangles means we are going to setup a proportion:                           Small triangle                                 Big TriangleCorresponding       12                                                     15Corresponding        x                                                      40So the proportion is 12/x=15/40cross multiply 12(40)=15(x)Divide both sides by 15giving x=12(40)/15=32Try number 1... And I will check it for you (just post as a new question-I will be looking for it)