The angles in a triangle are 3x (2x+20) and (5x_40) . Find the angles
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USING ANGLE SUM PROPERTY:
3x + (2x+20)+(5x-40)=180°
3x +2x+ 20 +5x -40 = 180°
10x-20 =180°
10x= 200°
x =200/10
x =20°
All the angles are :
3x =3×20 =60°
2x+ 20 =2 ×20+ 20 =40+ 20 =60°
5x -40= 5 ×20 -40 =100 -40= 60°
I hope it helps u!
3x + (2x+20)+(5x-40)=180°
3x +2x+ 20 +5x -40 = 180°
10x-20 =180°
10x= 200°
x =200/10
x =20°
All the angles are :
3x =3×20 =60°
2x+ 20 =2 ×20+ 20 =40+ 20 =60°
5x -40= 5 ×20 -40 =100 -40= 60°
I hope it helps u!
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