Step-by-step explanation:
I think so option b Is answer
80 = 3y+ 2y+4+1
Simplfy like terms:
80 = 5y + 5
-5 -5
75 = 5y
5 5
y = 15
The answer is A. hope this helps
Answer:
could you ask in english
Step-by-step explanation:
The answer is 24cm. Because a triangle has 3 sides, and the triangle is equilateral, which means all the sides of the triangle are equal. So since all 3 sides add up to 72cm, we can do 72/3 which is 24. Each side of the triangle is 24cm