9 cos? 0 – 1= 0
It has four answers and I could only get two all are in degrees

stethere all not eveanp-by-step explanation:

so the possibilities of the measurement of the side of the triangle are either it is longest side or not the longest side

when it is the longest side

s < 25 + 35s < 60

if it is not the longest side

35 < 25 + s10 < sso 10 < s < 60so the perimeter70 < p < 130

the answer is 23.39370079

step-by-step explanation: