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lianna [129]
3 years ago
12

B is the midpoint of AC. C is the midpoint of AD. Find the coordinates of B and D given the coordinates of A (-2,5) and the coor

dinates of C (8,7). ​

Mathematics
1 answer:
GalinKa [24]3 years ago
4 0

B= (3,6) and D= (18,9)

Step-by-step explanation:

To find the midpoint of two given points add X1 and X2 together, then divide by 2 to get the X value of the midpoint and do the same thing for the Y value. That will get you B. From there you can see to get from point A to point C you add 10 to the x value and add 2 to the y value. Because C is the midpoint just double what you had to add to get point D (add 20 to x and add 4 to y)

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Answer:

\displaystyle 70°

Step-by-step explanation:

Consecutive Exteriour Angles form a <em>linear</em><em> </em><em>pair</em>, so you set them equal to \displaystyle 180°:

\displaystyle 180° = 110° + m∠4; 70° = m∠4

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Shape I is similar to shape II.
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Sarah is renting a car for her weekend trip to the mountains. The total cost of the rental, f(x), as it relates to the number
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kondaur [170]

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The probability of this event is represented by a value of 1.

Step-by-step explanation:

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3 years ago
The corners of a square are cut off two centimeters from each corner to form an octagon. If the octagon is 10 centimeters wide,
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Answer:

  • <u>92 cm²</u>

Explanation:

The area of the <em>octagon</em> may be calculated as the difference of the area of the original square and the area of the four corners cut off.

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The original square's side length is the same wide of the formed octagon: 10 cm.

So, the area of such square is: (10 cm)² = 100 cm².

2) <u>Area of the four corners cut off</u>.

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The area of each right triangle is half the product of the legs (because one leg is the base and the other leg is the height of the triangle).

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3 years ago
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