Well if the regular polygon has 1 interior angle measured 171 degrees than it would have 40 sides.
Answer: (B is the answer.
Step-by-step explanation: The graph I attached corresponds with B.
Cross -3 by -2.
5x + 4y = 2
-5x - 2y = 4
So if we add both the equations 5x will be eliminated.
5x + 4y - 5x - 2y = 4 + 2
4y - 2y = 6
2y = 6
y = 3
As y is 3
x will be
5x + 4 x 3 = 2
5x + 12 = 2
5x = -10
x = -2
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Answer:
Volume = 80 in³
Step-by-step explanation:
The formula for volume of a pyramid is;
v=(A*h)/3
where
A=Area of triangular base
h=height of pyramid
Finding area of triangular base;
A=1/2*b*h
A=1/2*10*6=30 in²
Finding the volume
v=(A*h)/3
v=(30*8)/3=80 in³