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malfutka [58]
3 years ago
5

Anyone who could help me with this?

Mathematics
1 answer:
Radda [10]3 years ago
3 0
11a)  You can see for yourself that the change in distance vertically is 8 and that horiz. is 6.  Thus, the distance between (1,6) and (7,-2) is

d = sqrt(6^2 + 8^2) = sqrt(36+64) = 10 units (answer)
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What is the perimeter of quadrilateral ABCD? a(-3,2) b(4,2) c(3,-3) d(-3,3)
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Answer:

Perimeter will be = 21.6

Step-by-step explanation:

As we know the formula to get the length between two points A and B having coordinates A(x,y) and B (a,b) is

AB = √(x-a)²+(y-b)²

We will use this formula to get the lengths of all sides of the quadrilateral.

AB=√(4+3)²+(2-2)² =√7² =7

BC = √(3-4)²+(-3-2)²=√(-1)²+(-5)² = √1+25=√26 = 5.1

CD = √(3+3)²+(-3-3)² = √6²+(-6)² = √72 = 8.5

DA = √(-3+3)²+(3-2)² =√1 = 1

Since perimeter of the quadrilateral = sum of lengths of all sides

Perimeter = 7 + 5.1 + 8.5 + 1 = 21.6

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