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Ber [7]
4 years ago
8

Triangle abc is an equilateral triangle with ac =6; find the area of this triangle.

Mathematics
1 answer:
Tju [1.3M]4 years ago
7 0
The area of an equilateral triangle of side length "s" is
.. A = (√3)/4*s^2

Your triangle will have an area of
.. A = (√3)/4*6^2 = 9√3 . . . . . square units
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3 2/3 - 2 3/4= ______________
NISA [10]

Answer:

7  5/12

Step-by-step explanation:

3+2=6

2/3 + 3/4 = 8/12 + 9/12 = 17/12 = 1   5/12

1 + 6= 7 5/12

7 0
3 years ago
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You have just shipped 26 reels of electrical wire. Each reel has 20,000 feet of wire. The total value of the shipped wire was $4
Sergeu [11.5K]
It is 1800 for 1 reel 100 % sure on me it right
6 0
3 years ago
What is the slope of a line perpendicular to a line with slope -8 ?
Alexandra [31]

\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{-8\implies \cfrac{-8}{1}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{1}{-8}}\qquad \stackrel{negative~reciprocal}{\cfrac{1}{8}}}

4 0
3 years ago
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Two classes have a total of 50 students. One of the classes has 6 more students than the other. How many students are in the lar
Talja [164]
To solve this problem, simply use one variable to represent the number of students in each of the 2 classes.

1st class - X = no of students
2nd class - X + 6 no of students

Both classes : X + X + 6 = 50
2X + 6 = 50
2X = 44
X = 22.

1st class - X = 22 students
2nd class - X + 6 = 22 + 6 = 28 students.

There are 28 students in the larger class.
3 0
3 years ago
Find the length of the diagonal BD in the quadrilateral ABCD shown in the coordinate plane ?
Leno4ka [110]

bearing in mind B is at (4,3) and D is at (-2,-4).


\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ B(\stackrel{x_1}{4}~,~\stackrel{y_1}{3})\qquad D(\stackrel{x_2}{-2}~,~\stackrel{y_2}{-4})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ BD=\sqrt{(-2-4)^2+(-4-3)^2}\implies BD=\sqrt{(-6)^2+(-7)^2} \\\\\\ BD=\sqrt{36+49}\implies BD=\sqrt{85}

6 0
3 years ago
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