AB = 3, BC = 4, AC = 5 because of a 3-4-5 right triangle.
Perimeter = 12 for both triangles.
Answer:
a) Daniel has 55
b) Daniel has 105
c) Daniel has 5z
d) 115 divided by 5, which is 23!!!
11: a-0.2 b-0.54166666666 c-1.2 d.0.19444444444
12: a-4.5 b-4.7 c-4.625 d-7.33333333333
first one because you’re multiplying everything inside the parenthesis by 3