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sladkih [1.3K]
3 years ago
5

The coordinates of the vertices of ∆LMN are L(3, 0), M(2, -3), and N(0, 3).

Mathematics
1 answer:
fgiga [73]3 years ago
7 0

Answer:

The first triangle has been rotated 180 degrees reflected on point r (as in x)

Step-by-step explanation:

Draw it

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What is the surface area of the rectangular prism, if its length is 17 meters?
wel

     182 m^ (Third answer) because it is not the volume

2 rectangles measuring 17x2               2(17x2)= 2x34 = 68 m^

2rectangles measuring 17x3                  2(17x3)=2x51+102 m^

2rectangles measuring 3x2                     2(3x2)=2x6=12 m^

    TOTAL---------------------------------------------------------182 m^

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3 years ago
I’ll mark brainliest !! Please help me with these answers
Galina-37 [17]

Answer:

Problem1= a Problem 2=a

Step-by-step explanation:

Hope this helps

4 0
3 years ago
What is the slope intercept form of the equation -7x +14y=-35​
Mademuasel [1]

Answer:

-7x+14y-35

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
T is a point inside parallelogram ABCD. The area of ΔTAB = 11, the area of ΔTBC = 4, and the area of ΔTCD = 6. Find the area of
antoniya [11.8K]

wrong question

the ∆TAC is not the triangle

5 0
3 years ago
Area of a triangle with points at (-9,5), (6,10), and (2,-10)
Ann [662]
First we are going to draw the triangle using the given coordinates. 
Next, we are going to use the distance formula to find the sides of our triangle.
Distance formula: d= \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}

Distance from point A to point B:
d_{AB}= \sqrt{[6-(-9)]^2+(10-5)^2}
d_{AB}= \sqrt{(6+9)^2+(10-5)^2}
d_{AB}= \sqrt{(15)^2+(5)^2}
d_{AB}= \sqrt{225+25}
d_{AB}= \sqrt{250}
d_{AB}=15.81

Distance from point A to point C:
d_{AC}= \sqrt{[2-(-9)]^2+(-10-5)^2}
d_{AC}= \sqrt{(2+9)^2+(-10-5)^2}
d_{AC}= \sqrt{11^2+(-15)^2}
d_{AC}= \sqrt{121+225}
d_{AC}= \sqrt{346}
d_{AC}= 18.60

Distance from point B from point C
d_{BC}= \sqrt{(2-6)^2+(-10-10)^2}
d_{BC}= \sqrt{(-4)^2+(-20)^2}
d_{BC}= \sqrt{16+400}
d_{BC}= \sqrt{416}
d_{BC}=20.40

Now, we are going to find the semi-perimeter of our triangle using the semi-perimeter formula:
s= \frac{AB+AC+BC}{2}
s= \frac{15.81+18.60+20.40}{2}
s= \frac{54.81}{2}
s=27.41

Finally, to find the area of our triangle, we are going to use Heron's formula:
A= \sqrt{s(s-AB)(s-AC)(s-BC)}
A=\sqrt{27.41(27.41-15.81)(27.41-18.60)(27.41-20.40)}
A= \sqrt{27.41(11.6)(8.81)(7.01)}
A=140.13

We can conclude that the perimeter of our triangle is 140.13 square units.

3 0
2 years ago
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