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AfilCa [17]
2 years ago
12

Please help. I will give brainiest ASAP. Giving 10 points The radius of a circle is 7 meters. What is the length of a 135° arc?

Mathematics
1 answer:
11Alexandr11 [23.1K]2 years ago
7 0

Answer:

1=6.28cm

Step-by-step explanation:

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cho tứ giác ABCD. Gọi M,N,P,Q là trung điểm của các cạnh AB, CD, AD, BC. Chứng minh rằng vecto MP = vecto QN, vecto MQ = vecto P
Dmitriy789 [7]

Answer:

Step-by-step explanation:

Xét tam giác DAB có: P là trung điểm AD, M là trung điểm AB

=> MP là đường trung bình của tam giác DAB => MP//BD và MP=\frac{1}{2}BD  (1)

Xét tam giác DBC có: N là trung điểm DC, Q là trung điểm BC

=> QN là đường trung bình của tam giác DBC => QN//BD và QN=\frac{1}{2}BD  (2)

Từ (1) và (2) => vecto MP song song cùng chiều với vecto QN

và độ dài MP = độ dài QN = \frac{1}{2}BD

=> vecto MP = vecto QN

Tương tự xét các tam giác DAC và tam giác ABC => vecto MQ = vecto PN

4 0
2 years ago
Write the equation of the line from the given information. through (-3,5) & (4,-2)
Masteriza [31]

Answer:

y = -x + 2

Step-by-step explanation:

(-3,5) and (4,-2)

Slope: (-2-5)/(4 - - 3) = -7/7 = -1

y-intercept= -2 - (-1)(4) = -2 + 4 = 2

7 0
2 years ago
What is the sum of the exterior angles of a 10-gon figure?
Roman55 [17]

Answer:

The sum of the exterior angles of a regular polygon will always equal 360 degrees.

8 0
3 years ago
This scatter plot shows the relationship between the number of sweatshirts sold and the temperature outside
Sphinxa [80]

Answer:

y intercept: 250

slope: -10/3

Step-by-step explanation:

y intercept is where x = 0

slope is found by using the equation (y2 - y1) / (x2 - x1) = (200 - 250) / (15-0) = -50 / 15 = -10 / 3

6 0
2 years ago
10x (4 +2) = 10 x6 =60​
vodka [1.7K]
It is x=1 because it just is
5 0
3 years ago
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