Question

the angles of a triangle are 4x, 2x+5 and 4x-3 then find the angles​

Answer 1

Answer:

the angles are 71.2°, 40.6°, 68.2°.

Step-by-step explanation:

Given angles of triangle are 4x, 2x+5, 4x.

we know that sum of angles in a triangle = 180°

⇒ 4x+2x+5+4x-3 = 180°

⇒10x+5-3 = 180°

⇒10x+2 = 180°

⇒10x = 180°-2°

⇒10x = 178°

⇒x = 178°/10 = 17.8°

∴ first angle = 4x = 4 × 17.8 =  71.2°

   second angle = 2x+5 = {2 × 17.8}+5 = 35.6+5 = 40.6

   third angle = 4x-3 = {4 × 17.8}-3 = 71.2 - 3 = 68.2

   HOPING THAT IT MAY HELP YOU