Answer:
Hey there!
Perimeter: 24
Area: 24
36+64=x^2
x=10
Perimeter: 10+6+8=24
Area: 1/2bh, 1/2(48)=24
Both the area and perimeter are 24.
Hope this helps :)
Answer: 7.5
Step-by-step explanation:
The formula for the area of a triangle is height times base (or width) divided by 2. It is written as:
BxH/2
So when you put your numbers in the calculator you get this:
3×5/2=7.5
Hope this helps :)
This problem is basically asking:

Which would mean 
Figure 1 3 rectangles
Figure 2 2 rectangles, 1 triangle
Figure 3 1 rectangle 1 semicircle