If a, b, c, and d are coplanar lines and a is parallel to b, b is perpendicular to c, and c is parallel to d, then which stateme
nt must be true?
d is perpendicular to c.
d is perpendicular to a.
d is parallel to b.
c is parallel to a.
2 answers:
Answer: The second option is correct i.e. d is perpendicular to a
Step-by-step explanation: Given : a || b
b ⊥ c
c || d
Since b ⊥c and c || d therefore
∴b will be ⊥ d
and a || b
⇒ a ⊥ d
or d is perpendicular to a
D must be perpendicular to a because d is parallel to c. c is perpendicular to b. b is parallel to a.
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