Jaaaack
25.02.2021 •
Mathematics
A rectangular classroom is 10m long and 4.6m wide. Using a scale of 1cm:2m, what are the length and width of the room on a scale drawing?
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Ответ:
The answer is 45° and 55 °.
180° - 80° = 100°
Then add the two numbers from the ratio:
9 + 11 = 20
The divide 100 from 20.
100 ÷ 20 = 5
Then multiply it to two numbers from the ratio:
9 × 5 = 45 and 11 × 5 = 55
I hope it helps.