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Answer:
20°
Step-by-step explanation:
The sum of angles in a ∆ = 180°
Therefore,
Use this expression to find the value of x, then find the measure of angle A.
Subtract 20 from both sides
Divide both sides by 20
Find measure of angle A.
Angle A is given as
Plug in the value of x and solve
Answer:
vertex = ( -6 , -3 )
focus =
axis of symmetry = y = -3
directrix = x =
GRAPH :
