2.) If ZA = (20 – 2m)º and ZD = (m – 130°, what is the value of m?
2 answers:
Answer:
The answer is 50°
Step-by-step explanation:
We know that any pair of angles each of which is on the same side of one of two lines cut by a transversal and on the same side of the transversal.
So,
∠A = ∠D
∠A = (20 – 2m)°, ∠D = (m – 130)°
20 – 2m = m – 130
3m = 150
3m/3 = 150/3
m = 50°
Thus, The value of m is 50°
Answer:
m = 50
Step-by-step explanation:
∠ D and ∠ A are vertically opposite angles and are congruent , then
m - 130 = 20 - 2m ( add 2m to both sides )
3m - 130 = 20 ( add 130 to both sides )
3m = 150 ( divide both sides by 3 )
m = 50
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