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madam [21]
3 years ago
6

On a blueprint, the scale indicates that 6 cm represent 15 feet. what is the length of a room that is 9 cm long and 4 cm wide on

the blueprint?
Mathematics
2 answers:
love history [14]3 years ago
8 0

Answer:

On blueprint , length of room  is given by \frac{45}{2} feet and width is given by 10 feet.

Step-by-step explanation:

Given:  On a blueprint, the scale indicates that 6 cm represent 15 feet.

We have to find the value of  the length of a room that is 9 cm long and 4 cm wide on the blueprint.

Since, the scale indicates that 6 cm represent 15 feet

That is 6 cm = 15 feet

1cm = \frac{15}{6}=\frac{5}{2} feet

Thus, the scaling factor for 1 cm is \frac{5}{2} feet.

Thus, for length of a room  is 9 cm long.

On blueprint , length is given by \frac{5}{2}\times 9=\frac{45}{2} feet.

Also, given width of room is 4 cm

On blueprint , width is given by \frac{5}{2}\times 4=10 feet.

Thus, On blueprint , length of room  is given by \frac{45}{2} feet and width is given by 10 feet.

marta [7]3 years ago
4 0
2 cm = 5 feet
1 cm = 2.5 feet

9 cm = 9 * 2.5 = 22.5 feet by
4 cm = 4 * 2.5 = 10.0 feet


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