Answer:
Do not listen to the other answer! Here is how you solve that.
Step-by-step explanation:
For the semicircle, here is the formula for area: 
For the triangle, here is the formula for area:
Then, add.
So,
Triangle:


Semicircle:


Your answer is 
Answer:
a
Step-by-step explanation:
because if you would subtract divede mutiplky then you would get a
Answer:
56 cm
Step-by-step explanation:
The ratio of the lengths of the pieces is 3:4.
The longer piece is 32 cm.
We set up a proportion to find the length of the smaller piece.
Let the length of the smaller piece be x.
3 is to 4 as x is to 32
3/4 = x/32
4x = 3 * 32
4x = 96
x = 24
The smaller piece is 24 cm.
24 cm + 32 cm = 56 cm