Question

X=60 give reasons for your answer

Answer 1

Explanation:

exterior angles add up to 180

formula=180/number of sides (this only works for regular polygons)

180/3=60

Answer 2

Solution given:

Since all side of a triangle is equal so it is a equilateral triangle.

we know that,

each angle of a triangle is 60°

now

∡DAC=∡BCA being alternate angle

Explanation: