Answer:
28
Step-by-step explanation:
Because by adding 28 to -28,you are adding to a negative number to same positive number,you get 0 each time
g=8
Isolate the variable by dividing each side by factors that don't contain the variable.
area of a triangle
1/2 base ×height
1/2×15×8.5
=63.75cm ^2
