The height of one cottage will be 3 meters, and the volume will be 108 cubic meters. What tool can help you find different dimen
sions for the floor? Give two different possible pairs of dimensions for the floor.Explain.
1 answer:
Answer:
Step-by-step explanation:
A.
• Models
• Drawing - geometry
B.
Given:
Height, h = 3 m
Volume of prism, V = 108 m^3
Volume of the rectangular prism, V = Area of the base, A × height, h
Area, A = 108/3
= 36 m^2
Area of the rectangle, A = length, L × width, B
LB = 36 m^2
Dimensions:
1. Length: 18 m
Width: 2 m
2. Length: 9 m
Width: 4 m
3. Length: 12 m
Width: 3 m
Since the area of the base Is equal to the area of a rectangle, therefore the sides are just multiples of 36. That is, 12 × 3, 9 × 4 and 18 × 2
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Answer:
<u>Option D. 21</u>
Step-by-step explanation:
The question is as shown in the attached figure 1
The Venn diagram representing the problem is the attached figure 2
D ⇒ Dog , C⇒ Cat and P ⇒ parakeet
Let the The families had parakeet only = X
A survey of 260 families show that:
99 had dog
76 had cat
34 had dog and cat
98 had neither a cat nor a dog nor a parakeet
8 had a cat a dog and a parakeet
So,
The families had a dog and a cat only = 34 - 8 = 26
The families had a dog only = 99 - (26 + 8 ) = 65
The families had a cat only = 76 - (26 + 8) = 42
∴ X = 260 - ( 98 + 8 + 26 + 65 + 42 ) = 260 - 239 = 21
So, The families had a parakeet only = 21
<u>The answer is option D</u>
