This diagram shows a scale drawing for small amphitheater if the scale factor is 1 cm= 10m, what is the area of the actual amphi
theater.
A. =40m2
B.=80m2
C.=4,000m2
D.=8,000m2
Please help I will put who right
A. =40m2
B.=80m2
C.=4,000m2
D.=8,000m2
Please help I will put who right
1 answer:
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Answer:
Step-by-step explanation:
The area of a regular octahedron is given by:
area = . Let a is the length of the edge (diagonal).
area =
Given that the diagonal of the octahedron is equal to height (h) of the tetrahedron i.e.
a = h, where h is the height of the tetrahedron and a is the diagonal of the octahedron. Let the edge of the tetrrahedron be e. To find the edge of the tetrahedron, we use:
The area of a tetrahedron is given by:
area = =
The ratio of area of regular octahedron to area tetrahedron regular is given as:
Ratio =