Answer:
60
Step-by-step explanation:
All the sides are equal, which makes it an equilateral triangle.
That means all the angles are equal
180/3 = 60
Angle A is 60 degrees
10 : 30
4: x [x is the length]
10/4=2.5
30/2.5=x=12
length of the diagram is 12cm
Step-by-step explanation:
iiii9oiii hjix high. kkopoooh