Answer:
3. 93.48ft
Step-by-step explanation: You just multiply 11.4ft and 8.2ft!
46.74ft^2
Step-by-step explanation:
Equation: A = b/2 x h
base = 11.4ft
height = 8.2ft
A = 11.4/2 x 8.2
A = 5.7 x 8.2
A = 46.74
20x + 12y
4 times 5x = 20x
4 times 3y= 12y
<em>900° </em>
The interior angles sum = 180° ( n - 2 )
~~~~~~~~
n = 7
180° ( 7 - 2 ) = <em>900°</em>
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