The angles of a triangle are in the ratio of 3 : 5 : 7. The triangle is:
Answer & explanation
Correct answer: option 2
According to triangle property:
⇒ 3x + 5x + 7x = 180°
⇒ 15x = 180°
⇒ x = 12°
Angles are:
3x = 36°, 5x = 60°, 7x = 84°
So, the triangle is acute angle