Answer:
A polyhedron is a 3-dimensional figure that is formed by polygons that enclose a region in space. Each polygon in a polyhedron is called a face. The line segment where two faces intersect is called an edge and the point of intersection of two edges is a vertex
Step-by-step explanation:
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Answer:
Option D. 
Step-by-step explanation:
we know that
The volume of the cylinder is equal to
In this problem we have
substitute
-----> exact value of the volume
The unknown number is 48 using the equation: x ÷ 12 +49=53 subtract 49 from both sides and get x ÷ 12 = 4 multiplying by 12 on both side to get rid of the ÷12 and get the final answer of x=48.
Answer:
b
Step-by-step explanation:
9x7.8x1/2x12
Answer:
6²= 6×6= 36
√81= 9
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