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9

LBCA and LACD form a linear pair. LBCA is
represented by (2x - 5)° and LACD is
represented by (3x + 10)°.
What is the mLACD?
A. 35°
B. 61°
C. 65°
D. 115°

9 LBCA and LACD form a linear pair. LBCA is represented by (2x - 5)° and LACD is represented-example-1
User Khuram
by
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1 Answer

4 votes

Answer:

D

Explanation:


m\angle BCA+m\angle ACD=180^(\circ) \\ \\ 2x-5+3x+10=180 \\ \\ 5x+5=180 \\ \\ 5x=175 \\ \\ x=35 \\ \\ \\ m\angle ACD=3(35)+10=115^(\circ)

User Adamw
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4.1k points