The Perimeter of the scalene triangle is 54.6cm

Which equation can be
used to find the value of b if side a measures 8.7 cm?

a 8.7+b=54.6
b 17.4+ b = 54.6
c 26.1 + b = 54.6
d 34.8+b =54.6

The Perimeter of the scalene triangle is 546cm Which equation can be used to find the value of b if side a measures 87 cm a 87b546 b 174 b 546 c 261 b 546 d 348 class=