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Viefleur [7K]
3 years ago
5

How do you figure out the area of a triangle?

Mathematics
2 answers:
Artemon [7]3 years ago
6 0

Answer:

Area of Triangle = \frac{1}{2} (Base)(Height)

Step-by-step explanation:

The area of a triangle can be found out by the following formula:

Area of Triangle = \frac{1}{2} (Base)(Height)

andrew11 [14]3 years ago
5 0

General formula for area of triangle is A=\frac{h_bb}{2}.

Where:

  • h_b is height of triangle perpendicular to base side of triangle.
  • b is the length of base side of triangle.

Multiplying h_b and b results in rectangle, dividing that by 2 gives you area of a triangle.

Hope this helps.

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A triangle has two angles that are 33 degrees and 54 degrees. What is the third angle?
Elena-2011 [213]

Answer:

Image result for A triangle has two angles that are 33 degrees and 54 degrees. What is the third angle?

If you add all three interior angle measures together in a triangle it will always equal 180°.. To find a third angle you will subtract the sum of the two given angles from 180°.

Step-by-step explanation:

3 0
2 years ago
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Jakes phone will play music for 12 hours on a full charge . He has been using it for 3 hours . What percent of a full charge is
iogann1982 [59]

Answer:

75%

Step-by-step explanation:

3/12 =1/4

so 1/4 of 100% = 75%

3 0
3 years ago
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(10
Anni [7]

Given:

The matrix multiplication

\begin{bmatrix}4&5&6\\1&2&3\end{bmatrix}\begin{bmatrix}10\\20\\30\end{bmatrix}

To find:

The order of resulting matrix.

Solution:

We know that, if order of first matrix is m_1\times n_1 and the order of second matrix is m_2\times n_2, then the order of these two matrices is m_1\times n_2.

We have,

\begin{bmatrix}4&5&6\\1&2&3\end{bmatrix}\begin{bmatrix}10\\20\\30\end{bmatrix}

Here, the order of first matrix is 2\times 3 and the order of the second matrix is 3\times 1. So, the order of the second matrix is 2\times 1. It is also written are 2 by 1.

Therefore, the correct option is A.

6 0
3 years ago
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Help I have to turn this in. In a couple hours
Gelneren [198K]

28. Surface Area

This is some sort of house-like model so for every face we see there's a congruent one that's hidden.  We'll just double the area we can see.

Area = 2 × ( [14×9 rectangle] + 2[15×9 rectangle]+[triangle base 14, height 6] )

Let's separate the area into the area of the front and the sides; the front will help us for problem 29.

Front =  [14×9 rectangle] + [triangle base 14, height 6]

          = 14×9 + (1/2)(14)(6) = 14(9 + 3) = 14×12 = 168 sq ft

OneSide =  2[15×9 rectangle] = 30×9 = 270 sq ft

Surface Area = 2(168 + 270) = 876 sq ft

Answer: D) 876 sq ft

29.  Volume of an extruded shape is area of the base, here the front, times the height, here 15 feet.  

Volume = 168 * 15 = 2520 cubic ft

Answer: D) 2520 cubic ft

6 0
3 years ago
A system of equations has 1 solution. If 4x – y = 5 is one of the equations, which could be the other equation?
kondor19780726 [428]
Let f(x) =y be another equation
where the slope of f(x) =y cannot be 4/5, can it be other quation
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