D because your making the shape smaller 2 times
Answer:
65
Step-by-step explanation:
The area of the square is
and the area of a single triangle is
.
The total area is the square plus the 4 triangles 
The Answer: (-b + 15) (15 - b)
Answer:
22°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180° , then
x + x + 136° = 180°
2x + 136° = 180° ( subtract 136° from both sides )
2x = 44° ( divide both sides by 2 )
x = 22°
Answer:
C) 175.84 cubic feet
Step-by-step explanation:
V=πr^2h is the formula I used
I plugged in the numbers and solved