Pls help me thank youu, it shouldn't take to long :)) just how do I do it I can't remember
1 answer:
Answer:
see attached
Step-by-step explanation:
We cannot really do the construction for you, but we can tell you how it needs to go. The three sides of the triangle will have a length in cm that is equal to the given length in km divided by 20.
AB = 6 cm
BC = 8 cm
AC = 9 cm
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The area each station can be heard will be a circle of radius (100 km)/(20 km) cm = 5 cm. The overlap of those circles is the area you are to shade.
The attached diagram should give you the general idea. (Scale units are cm.)
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<em>Additional comment</em>
It works well to find B as the intersection of arcs of radius 6 cm and 8 cm, drawn from centers A and C, respectively.
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Answer and explanation:
To find : Calculate to the nearest 1/10th meter the length of the side of a 7th, 12th, and 30th hectare square plot.
Solution :
The area of the square is given by,
where s is the side length.
We know,
1) The area of square plot is 7 hectare.
Area in meter square is
Substitute the value in the formula,
Side nearest to 1/10th meter is 264.8 meter.
2) The area of square plot is 12 hectare.
Area in meter square is
Substitute the value in the formula,
Side nearest to 1/10th meter is 346.4 meter.
3) The area of square plot is 30 hectare.
Area in meter square is
Substitute the value in the formula,
Side nearest to 1/10th meter is 547.7 meter.