The correct answer is 600. For area do you Base times height which is 20×30 which equals 60.
Answer:
c.) 15
Step-by-step explanation:
1st Multiply both sides by 5: 5×3/5x=9×5
2nd Simplify: 3x=45
3rd Divide both sides by 3: 3x÷3=45÷3
4th Simplify: x=15
Answer: convex
Step-by-step explanation:A convex polygon is a simple polygon (not self-intersecting) in which no line segment between two points on the boundary ever goes outside the polygon. Equivalently, it is a simple polygon whose interior is a convex set.