Answer:
<h3>HERE IS YOUR ANSWER FRIEND, </h3>
∠A + ∠B + ∠C = 180° (angle sum property)
(4x - 13)° + (15)° + (2x + 18)° = 180°
( 4x - 13 + 15 + 2x + 18 )° = 180°
( 6x + 20)° = 180°
6x = 180 - 20
6x = 160
x = 160/6
x = 80/3° (or 26.6666666667 )
we have value of x = 80/3°
°.°∠A = ( 4x - 13 ) = 281/3
°.°∠C = ( 2x + 18 ) = 178/3
Step-by-step explanation:
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