Answer:
1/7
Step-by-step explanation:
You have to multiply across the top then the bottom.
You need to find the sum of the areas of the 6 sides.
That will be:
2*10*5+2*5*4+2*4*10=220
80-64/80 x 100 = 20%
The answer would be 20%.
Answer:
5
Step-by-step explanation:
Always multiply the base by the height that is straight, (It is more accurate).
2x5=10 and 10/2=5.
The well known formula for the area of a triangle is BxH divided by 2.