Answer:
p yellow 11 over 15
Step-by-step explanation:
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The Area of the fabric required is 3.6 square feet
The square's side length is 3 feet.
Due to the fact that Lin is creating a window covering for a window that is half circle-shaped on top of a square.
The window covering must therefore be a semicircle with a 3-feet diameter.
thus the semicircle's radius is equal to d/2 = 3/2 feet
Now, the Area of the semicircle,
Putting the value of the radius in the equation, we have,
Hence, The Area of the fabric required = 3.6 square feet
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Answer:
x = 12.5
Step-by-step explanation:
The given triangle is a right angle triangle.
We cannot use the Pythagoras theorem as the lengths of all sides are not known. We will use triangular ratios here to solve the given problem.
As it is clear from the diagram that x is the hypotenuse of the triangle and 11 is the length of the base. We will use a ratio in which base and hypotenuse are used.
So,
cos θ= base/hypotenuse
cos 28=11/x
x=11/cos28
x=11/0.8829
x=12.45
Rounding off to nearest 10
x=12.5
Does this means like 1.5 meter is equal to 30cm in for example in an miniature build?
if in real life you measure 1.5 meter in total, you can transfer this into a miniture build which makes it 30cm in your build. If you measure the length of a car by 3m, and you want to make a miniature build of it, you can do 30cm x 2 ( because 3m is 2x 1.5 ) and in a miniature build you have to make you build 60cm in length
I hope this makes it clear for you.