" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Mapel : MatematikaKelas : VII SMP
Bab : Sudut
Pembahasan :
Total Sudut Segitiga = 180°
< A + < B + < C = 180°
(3x + 7)° + (2x + 5)° + x° = 180°
6x + 12 = 180
6x = 180 - 12
6x = 168
x = 28
< A , < B , < C
= (3x + 7)° , (2x + 5)° , x°
= (3.28 + 7)° , (2.28 + 5)° , 28°
= 91° , 61° , 28°
∠A =
∠B =
∠C =