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My name is Ann [436]
3 years ago
13

The actual height of the Gateway Arch in St. Louis is 630 feet. A scale model of the arch is 9 inches tall. Which statement(s) a

re true?
A. The scale of the model is 1 in.:70 ft.
B. The scale of the model is 1 in.:90 ft.
C. The scale factor is 1:630.
D. The scale factor is 1:840.
Mathematics
2 answers:
Alisiya [41]3 years ago
7 0
D the scale factor is 1:840 !!
Semmy [17]3 years ago
6 0

Answer:

D. The scale factor is 1:840

Step-by-step explanation:

Make 630 ft into inches, so 7560

Then make it 9/7560, which simplifies to 1/840

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