Answer:
48 cm
Step-by-step explanation:

That's about as much as you can simplify this problem.
I hope this helps! :)
Answer:
225.5 sq. mm
Step-by-step explanation:
triangle:5x(9+4+4+4)=15x21÷2=157.5
5x(4+4)=5x8=40
7x4=28
157.5+40+28=157.5+68=225.5
6/13
7/40
45/36
37/43
??? To turn them into a fraction you just make the first number the numerator and the second one denominator