The answer is a 0.1 hope this helped
Question 21: 24 minutes

x = 
x = 24
Question 22: 20 centimeters
x = one side of the square
x² = 25
x = 5
4x = perimeter
4(5) = perimeter
20 = perimeter
Question 23: 17 sides
Hexagon = 6 sides
Octagon = 8 sides
Triangle = 3 sides
Total amount of sides = 6 + 8 + 3
Total amount of sides = 17
Plug it in
5 + 3 > 8
8 > 8, false
Answer:

Step-by-step explanation:
-The cumulative area of the six is equivalent to the sum of their individual areas.
-Area of a triangle is given by:

We substitute given values in the equation and multiply by the number of pennants:

Hence, the total area needed is 