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alex41 [277]
3 years ago
10

Are all diagonals also lines of symmetry for any given polyhon

Mathematics
1 answer:
Mice21 [21]3 years ago
3 0
The diagonals arent a line of symmetry at all
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The diagram shows a semi circle inside a rectangle of length 140m. the semi circle touches the rectangle at P, Q and R. Calculat
exis [7]

Answer: 250m

Step-by-step explanation:

Length of rectangle = 140m

Length of rectangle = diameter of semicircle = 140m

Therefore, Radius(r) = 140m / 2 = 70m

Perimeter of the shaded region:

Length of tangent at P + length of tangent at Q + shaded portion of arc(AB)

Length of tangent = diameter / 2

Length of tangent = 70m

Perimeter of a circle = 2πr = 2 × 22/7 × 70 = 440m

shaded portion = 440 / 4 = 110m

Therefore, perimeter of shaded portion equals

70m + 70m + 110m = 250m

4 0
3 years ago
what steps do you need to do to evaluate the following expression? Select two options. –5(–2) Drag 5 sets of –2 tiles to the win
kvv77 [185]

To solve the expression given , Drag zero pairs to the window and then Remove the 5 groups of –2 tiles , Option b and c is the right answer

<h3>What is an Integer Tile method ?</h3>

It is a teaching method in which materialistic representation is done for concepts like addition and subtraction .

It is used for kids who find it difficult to understand adding a negative integer etc.

For the expression given

-5 (-2)

Drag zero pairs to the window and then Remove the 5 groups of –2 tiles.

Therefore Option B and C is the right answer.

To know more about Integer Tile Method

brainly.com/question/18097183

#SPJ1

5 0
1 year ago
Please help,Thanks;)
vichka [17]
To solve this, you divide the price by the amount of ounces, and find the one which results in the smallest number. That was B, $4.29 for 12 ounces.
4 0
3 years ago
20 points pleas help!!
Anna [14]

I think if I did it right it should be B

5 0
2 years ago
Read 2 more answers
“Eighteen is equal to the product of a number (n) and 9.”
gregori [183]

Answer:

n=2

Step-by-step explanation:

Create an equation.

9n=18

Divide 9 from both sides.

9n/9=18/9

n=2

Hope this helps!

4 0
1 year ago
Read 2 more answers
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