A rectangular pyramid is sliced so the cross section is perpendicular to its base and passes through its vertex. What is the sha
pe of the cross section?
2 answers:
Answer with explanation:
A pyramid is a three dimensional shape, whose base is any polygon and other faces are triangles,meet at a point.
When, the rectangular pyramid is sliced so that the cross section is perpendicular to its base and passes through its vertex, you can say that the three dimensional view of this shape will be a Rectangular Pyramid or Pyramid having base as a Quadrilateral .
But front view or two dimensional view of this shape will resemble with triangle.
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The area of room is 812 square feet, cost of carpet to cover the room is $6739.6 and the remaining square feet of carpet are covered by furniture is 203 square feet.
<h3>What is the area of trapezoid?</h3>The area of the trapezoid is the space occupied by it on the two dimensional plane. The area of this figure is half of the product of height and sum of sides.
Here, (a and b) are the base sides of the trapezoid and (h) is the height.
A room is shaped like a trapezoid which has the height of 28 feet and the length of sides as 23 ft and 35 ft. Thus, the area of it is,
Carpet costs $8.30 per square foot. Thus, the cost of carpet with area 812 ft² is,
C=812×$8.30
C=$6739.6
Furniture covers 25% of the floor. Thus, the remaining square feet of carpet are covered by furniture is,
Thus, the area of room is 812 square feet, cost of carpet to cover the room is $6739.6 and the remaining square feet of carpet are covered by furniture is 203 square feet.
Learn more about the area of trapezoid here;
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Answer:
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Step-by-step explanation:
Thinking process:
= by Stoke's Theorem
= since z =