Pine Street intersects Center Street at a 65 degree angle. If center Street is parallel to First Avenue, which equation is true?
2 answers:
Answer:
The correct option is A) x = 180°-65°
Step-by-step explanation:
Consider the provided figure.
It is given that center Street is parallel to First Avenue,
One angle is 65 degree then angle y will be 180°-65° (Supplementary angles)
Angle y and angle x are the corresponding angles.
The measurement of corresponding angles are equal.
Therefore, x = 180°-65°
Hence, the correct option is A) x = 180°-65°
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Answer with Step-by-step explanation:
We are given that:
tanA = 0.45
tanA=
=
⇒ =0.45
⇒ =
⇒ =
⇒ AC= 20
Hence, by pythagoras theorem
AB²=AC²+BC²
AB²=20²+9²
AB²=481
⇒ AB=21.9 units
Hence, the approximate length of AB is:
22 units