Answer:
11 3/5
Step-by-step explanation:
x+2/5=12
First, you subtract 2/5 from both sides, so the equation becomes:
x=11 3/5
Therefore, x equals 11 3/5
Answer: r=8
Step-by-step explanation:
-400/-8=400/8=5, then 48=6r equals 8.
Answer:
70°
Step-by-step explanation:
All triangles' angles are added up to 180°
30 + 80 + x = 180
110 + x = 180
x = 180 - 110
x = 70
No it can not be formed because the sum of the two smaller side lengths is not greater than the longest length