Answer:
Step-by-step explanation:
<h3>Given</h3>
- If (s -a) = 5cm, (s -b) = 10cm, (s -c) = 1cm
- s = ?
<h3>Solution</h3>
<u>Add up the 3 equations and solve for s:</u>
- s - a + s - b + s - c = 5 + 10 + 1
- 3s = 16 + a + b + c
- s = 1/3(a + b + c + 16)
I think you’re right with 52.5
Answer:
1110
Step-by-step explanation:
Answer:
-7
Step-by-step explanation:
Y-Y
20(x+17)
20×x+20×17
20x+340