Which of the following have two congruent parallel bases ?
2 answers:
<u>Answer-</u>
Cylinder and Prism have two congruent parallel bases.
<u>Solution-</u>
A. Circle
Circle is a 2 dimensional figure and it has only one base. So this does not have two congruent parallel bases.
B. Cylinder
Cylinder is a 3 dimensional object, where a circular base is extruded. It has two bases one on the top and other on the bottom. They both are parallel to each other.
C. Prism
Prism is a 3 dimensional object, where a triangular or any polygon base is extruded. It has two bases one on the top and other on the bottom. They both are parallel to each other.
D. Cone
A cone has a circular base and a curved surface which gets tapered from the circular base to a point. So this does not have two congruent parallel bases.
F. Pyramid
Pyramid consists of a square or triangular base and sloping sides that meet in a point at the top. So this does not have two congruent parallel bases.
Therefore, from the above options only Cylinder and Prism have two congruent parallel bases.
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Answer:
The length of the steel frame will be approximately 44 feet
Step-by-step explanation:
We can solve this problem by calculating the circumference of the steel frame. We are working with the fact that the steel frame was welded into a circular shape.
The circumference of the steel frame can be calculated using
where d diameter of the steel frame = 14 feet
Therefore, the length of the steel frame will be approximately 44 feet