16.8. Perimeter of a triangle is side a+ side b+ side c.
1/8 x 5 = 5/8
5/8 of the passengers were adults :)
Answer:
12ch/a
Step-by-step explanation:
hope this helped!
Answer:
x=-7
Step-by-step explanation:
The sum of the angles of a triangle are 180 degrees
40 + x+57 + 90 =180
Combine like terms
187 +x = 180
Subtract 187 from each side
187-187 +x = 180-187
x = -7
