Answer:
A=435 B=435 C You are using the same number and formula just in a different order.
Explanation:
Part A
Start with triangles
A=ab/2
15=a
4=b
Answer 30 x 2=60
Square
A x B
25 x 15= 375
Add two together
B
Trapezoid= A+B/2 x H
A= 25
B= 25+4+4= 33
H= 15
25+33/2 x 15= 435
