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zhannawk [14.2K]
3 years ago
7

Is a triangle with sides 4, 6, and 8 a right triangle? Explain your thinking.

Mathematics
2 answers:
ratelena [41]3 years ago
8 0

We can find the solution to the answer by using the Pythagorean Theorem.

a² + b² = c²

4² + 6² = 8²

16 + 36 = 52

8² = 64

52 ≠ 64.

Since 4² + 6² does not equal 8², a triangle with the sides 4, 6, and 8, are not a right triangle.

ziro4ka [17]3 years ago
7 0

Answer:

No it's not

Step-by-step explanation:

In a right triangle the longest side is always the Hypotnuse. With legs a and b and Hypotnuse c, all right triangle follow the Pythagoream Theorem (a^2+b^2=c^2)

If this is a right triangle then it should also follow this rule.

8^2=4^2+6^2

64=16+36

64≠52

So this isn't a right triangle

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the sum of the polygon is 1980 degree .what is the sum of the angles of a polygon with one side less? what about a polygon with
pashok25 [27]

Answer:

Sum of angles of a polygon with one side less = (12-2)x180 = 1800

Sum of angles of a polygon with one side more​ = (14-2)x180 = 2160

Step-by-step explanation:

(n-2)x180 = 1980

n = 13

Sum of angles of a polygon with one side less = (12-2)x180 = 1800

Sum of angles of a polygon with one side more​ = (14-2)x180 = 2160

3 0
3 years ago
If a gallon of paint covers 400 square feet, how many gallons are needed to paint a retaining wall that is 269 feet long and 4 f
Nuetrik [128]

The area of a rectangular shape is given by

A=l\times b

Given:

It is given that a gallon of paint covers 400 square feet, and wall is 269 feet long and 4 feet high .

Now the area of wall will be

A=269\times4

Since,

\begin{gathered} 400\text{ sq f}eet=\text{ 1gallon} \\ 1\text{ sq f}eet=\frac{1}{400}gallon \\ 269\times4\text{ sq f}eet=\frac{1}{400}\times269\times4 \\ =\frac{269}{100} \\ =2.69\text{ gallon} \\ =3\text{ galllon} \end{gathered}

So, the ewall requires approx 3 gallon of paint.

5 0
2 years ago
Solve for x ax+ b= r​
Alexxx [7]

Answer:

x = \dfrac{r - b}{a}

Step-by-step explanation:

ax + b = r

Subtract b from both sides.

ax = r - b

Divide both sides by a.

x = \dfrac{r - b}{a}

7 0
3 years ago
Im having big trouble so help pleasse
riadik2000 [5.3K]

Answer:

84

Step-by-step explanation:

first calculate the rectangle (6* 10  = 60) and then add that to the area of the triangles. 1/2(4) * 6= 2 * 6 = 12, and since there are two triangles: 12* 2 = 24, add that to the area of the rectangle and you get 84.

6 0
4 years ago
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Simplify the following expression completely using distribution and combining like terms
Thepotemich [5.8K]

Answer:

Answer:

It is D

Step-by-step explanation:

Distribute:

=(4)(5m)+(4)(3)+2m

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Combine Like Terms:

=20m+12+2m

=(20m+2m)+(12)

=22m+12

8 0
3 years ago
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