Question

please help me immediately​

Answer 1

Answer:

10.5

Step-by-step explanation:

3.5+3.5+3.5=10.5

Answer 2

Answer:     perimeter =  10.5 cm

Step-by-step explanation:

Given,side of equilateral triangle = 3.5 cm

Perimeter of equilateral triangle = 3(side of the equilateral triangle)

                                                        = 3(3.5)

                                                        = 10.5 cm