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marysya [2.9K]
3 years ago
5

How do you construct congruent segments, segment bisectors, angles, and angle bisectors using tools such as a compass and straig

htedge?
Mathematics
1 answer:
poizon [28]3 years ago
4 0
You use a compass to draw angles and straightedge to draw the shapes.



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What is the mixed number of 7/4
Nady [450]
7/4 = (4 + 3)/4 = 4/4 + 3/4 = 1 + 3/4 = 1 3/4

\boxed{\dfrac{7}{3}=1\dfrac{3}{4}}
5 0
2 years ago
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The perimeter of a triangle is 170 feet and the sides are in the ratio of 25:14:12. Find the area of the triangle.
Viktor [21]
Let
x,y, and z the long sides of the triangle 

we know that

x+y+z=170 ft------> equation 1
x/y=25/14----> y=14x/25------> equation 2
y/z=14/12-----> equation 3
x/z=25/12----> z=12x/25------> equation 4

substitute equation 2 and equation 4 in equation 1
x+[14x/25]+[12x/25]=170------> multiply by 25 both sides
25x+14x+12x=4250
51x=4250
x=4250/51
x=250/3
y=14x/25------> y=(250/3)*(14/25)----> y=140/3
z=12y/14-----> (140/3)*12/14----> z=40

Using Heron's formula,
Area of the triangle = √s (s-a) (s-b) (s-c)
where s is the semiperimeter
s=170/2-----> s=85 ft
Area=√85*[85-250/3]*[85-140/3]*[85-40]
Area=9.22*[1.67]*[38.33]*[45]------> Area=26558.21 ft²

the answer is
26558.21 ft²
6 0
3 years ago
What is the ratio 18 to 27 written as a fraction in lowest terms?
Studentka2010 [4]
18:27=\dfrac{18}{27}=\dfrac{18:9}{27:9}=\dfrac{2}{3}=2:3
7 0
3 years ago
Carlos has 7 1/2 acres of farmland. He uses 1/3 of the acres to graze animals and 1/5 of the acres to grow vegetable. How many a
omeli [17]
8/15 or somthing like that it you might be souposed to solve it diferent than i did
3 0
3 years ago
Didn’t pay attention to math today (and was too lazy to do my own hw)
amm1812

Answer:

120 bhoo

Step-by-step explanation:

7 0
3 years ago
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