Question

Can someone pls pls help me ?

Answer 1

It's 15

Explanation:

perimeter is sum of all the sides

15+15+v = 45

30+v = 45

subtract 30 from both sides

v = 45-30

= 15mm

Answer 2

Answer:15

Step-by-step explanation: this is an equilateral triangle and 45-15-15=15 so no matter what it would be 15