Question

Find the largest angle in the triangle 2 x, 3 x and 42 respectively.

Please help me.

Answer 1

82.8°

Explanation:

Sum of angles = 180°

• 2x+3x+42°= 180°
• 5x+42=180°
• 5x= 180°-42°
• 5x= 138°
• x= 138°/5
• x= 27.6°

2x= 2*27.6°= 55.2°

3x= 3*27.6°= 82.8°

Largest angle= 82.8°