The measures of the angles of △ABC are given by the expressions in the table.
2 answers:
A triangle has angles that add up to 180 degrees.
4x - 13 + 15 + x + 18 = 180....combine like terms
5x + 20 = 180
5x = 180 - 20
5x = 160
x = 160/5
x = 32
< A = 4x - 13
< A = 4(32) - 13
< A = 115
< C = x + 18
< C = 32 + 18
< C = 50
Answer:m<a=120 and m<c=45
Step-by-step explanation:
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