Answer:
i think its a if wrong sorry
Step-by-step explanation:
Answer:
The length of the wall would be 12 cm
Step-by-step explanation:
step 1
we know that
On a blueprint with a scale of 1 cm = 4 ft, the length of the wall is 9 cm
so
The actual length of the wall is equal to ------> 9*4=36 ft
step 2
If the scale of the blueprint were 1 cm = 3 ft
then
The length of the wall in the new blueprint would be ----> 36/3=12 cm
Answer:
d.10cm,5cm,9cm
Step-by-step explanation:
In a triangle, the length of each side must be between the difference and the sum of the lengths of the other sides.
a. 1 + 1 = 2; 2 < 3 Answer: no
b. 2 + 3 = 5; 5 = 5 Answer: no
c. 10 - 3 = 7; 7 > 4 Answer: no
d. 10 + 5 > 9
5 + 9 > 10
10 + 9 > 5
10 - 5 < 9
10 - 9 < 5
9 - 5 <10
Answer: yes