Question

find the value of x if one side of equilateral triangles is x second is 2x and third is x+20•​

Answer 1

Answer:

x = 85

Step-by-step explanation:

equilateral triangle has all angles equal.

x + 2x + x + 20 = 360     (angle sum property)

4x + 20 = 360

4x = 360-20

x = 340/4

x = 85