Name the vertex and sides of the angle. Then estimate its measures.
1 answer:
Answer:
The vertex is E, the sides are D and F, and it's estimate measurement is 30°.
Step-by-step explanation:
The vertex is the common point at which the two lines or rays are joined. The sides of an angle are the two lines that make it up. And explanation for the measurement.. It looks about 30° to me sooo uh yeah-
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Answer:
The coordinates of point B are (-7 , -2)
Step-by-step explanation:
* Lets explain how to solve the problem
- The mid-point (x , y) of the line whose endpoints are (x1 , y1) and
(x2 , y2) is
∵ M is the midpoint of AB
∵ The coordinates of point A are (-3 , 6)
∵ The coordinates of point M are (-5 , 2)
- Let the coordinates of point A are (x1 , y1) , The coordinates of
point B are (x2 , y2) and The coordinates of point M are (x , y)
∴ x = -5 , x1 = -3 and y = 2 , y1 = 6
- Lets use the rule of the mid point to find x2 , y2
∵ ⇒ multiply both sides by 2
∴ ⇒ add 3 to both sides
∴ -7 = x2
∵ ⇒ multiply both sides by 2
∴ ⇒ subtract 6 from both sides
∴ -2 = y2
∵ The coordinates of point B are (x2 , y2)
∴ The coordinates of point B are (-7 , -2)