Given that j || k, what is the measure of the missing angle?
2 answers:
Answer:
the measure of the missing angle is 60°
Step-by-step explanation:
GIVEN : j || k
solution :
We will use the property of linear pairs
120° + ∠1 = 180° (sum of linear pairs is 180°)
⇒ ∠1 = 180°- 120°
⇒∠1 = 60°
now since j || k
So, we can use corresponding angle properties
So, ∠? = ∠1 (corresponding angles are equal)
⇒∠? = ∠1 = 60°
Thus ? = 60°
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Answer:
No, They are not equivalent
Step-by-step explanation:
The two expressions are only said to be equivalent if they are the same regardless of whatever value the variable(s) is.
The variable in this question is x.
To prove this, we equate both expressions:
This shows that they have the same value ONLY when x is 1.
This is why Andre says that they are equivalent, but they are not.