Answer:
An equilateral triangle has all three sides equal, and all three interior angles equal, too. In this case, each interior angle of an equilateral triangle is 60 degrees.
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
20 divided by 4 = 5 and times it from there
Answer:
the missing side lenght = x
0 < x < 15+10
0 < x < 25 cm