The answer is c y = -8x + 3
Tile 1:In any triangle (regardless its type), the sum of measures of the internal angles is 180°.
This means that:
∠ABC + ∠BAC + ∠ACB = 180°
Tile 2:The sum of measures of internal angles of a triangle is 180°.
We are given that:
ΔABC is isosceles where AB = AC
This means that:
∠ABC = ∠ACB
We are also given that measure angle BAC is 70 degrees
180 = ∠ABC + ∠ACB + 70
∠ABC + ∠ACB = 110°
We know that both angles are equal, therefore:
∠ABC = ∠ACB = 110/2 = 55°
Tile 3:We are given that ΔQPR is an isosceles triangle where PQ = QR
This means that:
∠QPR = ∠QRP
We are given that ∠QRP = 30°
This means that:
∠QPR = 30°
Tile 4:A diagram representing the given scenario is attached.
Now we have:
point D is midpoint to AB and point E is midpoint to BC
There is a theorem stating that: "In a triangle, a line joining the midpoints of two sides is parallel to the third side and equals half its length"
Applying this to the givens, we would conclude that:
ED is parallel to AC
Now, since these two lines are parallel, then angles BAC and BDE are corresponding angles which means that they are equal.
This means that:
∠BAC = ∠BDE = 45°
Hope this helps :)
Answer:
n - 23 = x
I’m not entirely sure but this is my understanding.
All you have to do it plug in the coordinations into the equation to find which is true. now let’s check it.
x - y = -4. (-5, -1)
-5 - (-1) = -4
-4 = -4 so this is correct.
x - y = -4. (3, 7)
3 - 7 = -4
-4 = -4. so this is correct
x - y = -4 (-3, 3)
-3 - 3 = -4
-6 = -4. so this is incorrect.
x - y = -4 (0, 3)
0 - 3 = -4
-3 = -4 so this is incorrect
x - y = -4 (-2, 6)
-2 - 6 = -4
-8 = -4. so this is incorrect
so your answers would be a & b.
hoped this helped! xx