Jean wants to put furniture in her clubhouse. She drew a floor plan of the clubhouse, as shown. Each grid unit represents one fo
ot.
a. Which polygon names the shape of the floor?
b. How many feet of baseboard are needed to go around the entire clubhouse?
c. How much carpet is needed for the clubhouse floor
Please help me the image that is in this, the top one is not suppsoed to be there but the bottom one counts :)
a. Which polygon names the shape of the floor?
b. How many feet of baseboard are needed to go around the entire clubhouse?
c. How much carpet is needed for the clubhouse floor
Please help me the image that is in this, the top one is not suppsoed to be there but the bottom one counts :)
1 answer:
The polygon has 6 sides. It is called a HEXAGON.
We need to solve for the perimeter to know the length of the baseboard needed.
Side Measure
1 9 ft
2 5
3 2
4 1
5 5
6 <u> 2 </u>
24 feet
We need 24 feet of baseboard.
We need to divide the polygon into shapes that can easily compute its area.
There are 2 right triangle and 2 rectangles.
Area of a right triangle = ab/2
Δ 1 = (3ft * 4ft)/2 = 12ft² /2 = 6 ft²
Δ 2 = (3ft * 4ft )/2 = 12ft² /2 = 6 ft²
Area of a rectangle = length * width
rectangle 1 = 4ft x 2ft = 8 ft²
rectangle 2 = 5ft x 1ft = 5 ft²
Total area = 6 ft² + 6 ft² + 8 ft² + 5 ft² = 25ft²
We need to solve for the perimeter to know the length of the baseboard needed.
Side Measure
1 9 ft
2 5
3 2
4 1
5 5
6 <u> 2 </u>
24 feet
We need 24 feet of baseboard.
We need to divide the polygon into shapes that can easily compute its area.
There are 2 right triangle and 2 rectangles.
Area of a right triangle = ab/2
Δ 1 = (3ft * 4ft)/2 = 12ft² /2 = 6 ft²
Δ 2 = (3ft * 4ft )/2 = 12ft² /2 = 6 ft²
Area of a rectangle = length * width
rectangle 1 = 4ft x 2ft = 8 ft²
rectangle 2 = 5ft x 1ft = 5 ft²
Total area = 6 ft² + 6 ft² + 8 ft² + 5 ft² = 25ft²
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Answer:
At 95% confidence level, the difference between the proportion of freshmen using steroids in Illinois and the proportion of seniors using steroids in Illinois is -7.01135×10⁻³ < < 1.237
Step-by-step explanation:
Here we are required to construct the 95% confidence interval of the difference between two proportions
The formula for the confidence interval of the difference between two proportions is as follows;
Where:
n₁ = 1679
n₂ = 1366
at 95% confidence level = 1.96
Plugging in the values, we have;
Which gives;
-7.01135×10⁻³ < < 1.237.
At 95% confidence level, the difference between the proportion of freshmen using steroids in Illinois and the proportion of seniors using steroids in Illinois = -7.01135×10⁻³ < < 1.237.