Question

one angle of a triangle is 40°and the other two angles ate in the ratio of 2:5 find the angles​

Answer 1

Step-by-step explanation:

1. Let the other 2 angles be 2x and 5x . 40+2x+5x:180

Answer 2

Answer:

$\huge\sf{\boxed{40°\:and\:100°}}$

Step-by-step explanation:

Given:

one of the three angle is 40°.

Other 2 are in the ratio of 2x and 5x.

Solution:

40 + 2x + 5x = 180°

7x = 140°

x = 20°

______________________

20 × 2 = 40 {2x}

20 × 5 = 100° {5x}