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lys-0071 [83]
3 years ago
15

What is the area and perimeter of a triangle with base of 10cm, height of 8cm, and third side of 6cm

Mathematics
1 answer:
Kobotan [32]3 years ago
8 0

Answer:

Area: 40 cm²

Perimeter: 24 cm

Step-by-step explanation:

<u>Area of Triangle</u>

To find the area of a triangle, you need to do 1/2bh.

b*h = 80. Divide by 2, you get 40 cm²

<u>Perimeter of Triangle</u>

Just add up all the sides! 10 + 8 + 6 = 24 cm!

I hope this helps. If you have any more questions, please feel free to post them and someone will be able to help you, whether it's myself or others. Please leave a like, rating, and if possible, Brainliest. Have a great day!    

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David has a triangular prism that has an equilateral base. Also, the base of the prism is of the same length as its height. Pick
Komok [63]

Answer:

a) Triangle

b) Rectangle

Step-by-step explanation:

A triangular prism that has an equilateral base and a height with the same length as the base of the prism.

a) Shape from horizontal slicing

A plane parallel to the base of a triangular prism will  intersect a cross section that is the same shape as its  bases. So the cross section of the horizontal slicing is an equilateral triangle (all the sides of the triangle are equal).

b) Shape from vertical slicing

If the triangular prism is sliced vertically, the resulting shape would be a rectangle with a length that is the same as the base of the prism.

4 0
3 years ago
There are nine water bottles in a fridge. Three full boxes are added. Two more boxes are added, both of which have one fewer bot
Degger [83]

The number of bottles in a full box is 12.

<u><em>Explanation</em></u>

Suppose, the number of bottles in a full box is  x

So, the number of bottles in <u>three</u> full boxes =3x

Now, two more boxes are added, both of which have <u>one fewer bottle than the other three</u>. So, the number of bottles in these two boxes = 2(x-1)

As there were 9 bottles initially and now there are 67 bottles in the fridge, <em><u>so the equation will be</u></em>....

9+3x+2(x-1)=67\\ \\ 9+3x+2x-2=67\\ \\ 5x+7=67\\ \\ 5x=67-7\\ \\ 5x=60\\ \\ x=\frac{60}{5}=12

Thus, the number of bottles in a full box is 12.

7 0
3 years ago
Determine whether is a right triangle for the given vertices. Explain. Q(7, –10), R(–3, 0), S(9, –8)
andriy [413]

Answer:

Yes, It is a right triangle for the given vertices.

Step-by-step explanation:

Given:

Q(7, –10),

R(–3, 0),

S(9, –8)  

To Find:

determine whether is a rig ht triangle for the given vertices = ?

Solution:

QR=\sqrt{(-3-7)^2+(0-(-10))^2}

QR=\sqrt{(-10)^2+(10)^2}

QR=\sqrt{100+100}

QR=\sqrt{200}--------------------------(1)

QR=14.142136

RS=\sqrt{(9-(-3))^2+(-8-0)^2}

RS=\sqrt{(12)^2+(-8)^2}

RS=\sqrt{144+64}

RS=\sqrt{208}---------------------------(2)

RS=14.422205

QS=\sqrt{(7-9)^2+(-10-(-8))^2}

QS=\sqrt{(-2)^2+(-2)^2}

QS=\sqrt{4+4}

QS=\sqrt{8}-------------------------------------(3)

QS=2.828427

According to Pythagorean Theorem,

RS^2 = QR^ +QS^2

Substituting the values,

(\sqrt{208})^2 = (\sqrt{200})^2 +(\sqrt{8})^2

208 = 200 +8

208 = 208

Pythagorean theorem is satisfied. Hence it is a right triangle.

8 0
3 years ago
PLEASE I REALLY NEED HELP&gt; DONT SKIP. NO LINKS PLEASE. BRANLIEST WILL BE GIVEN
LiRa [457]

Answer:

A. 165 ft²

Step-by-step explanation:

volume = (½×5×6) x 11

= 15 × 11

= 165 ft²

8 0
3 years ago
Read 2 more answers
Six times a number is greater than 20 more than that number. What are the possible values of that number?
Alex73 [517]

Answer:

6x > x + 20,

x > 4

or

X belongs to a set of real numbers [0, +infinity)

Step-by-step explanation:

6x > x + 20

5x > 20

x > 4

3 0
3 years ago
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