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Talja [164]
4 years ago
11

The vertices of a quadrilateral in the coordinate plans are known. How can the perimeter of the figure be found?

Mathematics
1 answer:
Serggg [28]4 years ago
3 0

Answer:

The perimeter can be found by calculating lengths of sides using distance formula and then adding up the lengths

Step-by-step explanation:

If the vertices of a quadrilateral are known in the coordinate plane, the vertices can be used to determine the lengths of sides of quadrilateral. The distance formula is used for calculating the distance between two vertices which is the length of the side

d=\sqrt{(x_2-x_1)^{2}+(y_2-y_1)^{2}}

after calculating all the lengths of four sides using their vertices, they can be summed up to find the perimeter ..

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Masteriza [31]
Barry will use the distance formula:
d = √[(x₂ - x₁)² + (y₂ - y₁)²]
d = √[(4 - 3)² + (7 - 1)²]
d = 6.08 units
7 0
3 years ago
Read 2 more answers
Find the measure of the indicator arc
harina [27]

Answer:

m(WXY) = 224°

Step-by-step explanation:

Measure of inscribed angle = ½ the measure of intercepted arc

Therefore:

m<C = ½*m(WXY)

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Multiply both sides by 2

2*112° = m(WXY)

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8 0
3 years ago
How many tiles of dimension 22.5 cm x 10 cm x 7.5 cm can be painted if the paint is sufficient for the surface area 2812.50 m2 (
fenix001 [56]

Answer:

30 000 tiles

Step-by-step explanation:

Firstly convert the dimensions into metres

Then find the total surface area for one tile...in its....;

T.Surface area = 2(0.225 × 0.1) + 2(0.1 × 0.075) + 2(0.225 × 0.075)

Total surface area of one tile = 0.09375m^2

Then divide it into the surface area that the paint can be applied to....

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8 0
3 years ago
Select the correct answer.<br> Σ(-)),<br> Which expression gives the same result as t=0
Monica [59]

Answer:

B

Step-by-step explanation:

since 5 is constant so you can take it out from the summation

6 0
3 years ago
Please help
Firlakuza [10]

Answer:

Step-by-step explanation:

y = -2/3 x       multiply both sides the first equation by 6

6y = -4x                    Add 4x to both sides.

6y + 4x = 0

<u>-9y +4x = - 40   </u>        Subtract the bottom equation

15y =  - 40                 Divide by 15

y = -40/15

y = - 2.7

======================

6y = -4x

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-16 = - 4x

x = - 16/-4

x = 4

4 0
3 years ago
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