Answer:
360 cm^2.
Step-by-step explanation:
Area of the base = 10*10 = 100 cm^2.
We find the slant height of the sides using Pythagoras:
h = sqrt ( 12^2 + 5^2)
h = sqrt 169
h = 13.
Area of the triangular sides = 4 * 1/2 * 10* 13
= 260 cm^2
So the total surface area = 100 + 260
= 360 cm^2.
Answer:
16
Step-by-step explanation In mathematics the difference is the result of subtracting one number from another, and represents the operation of removing objects from a collection:
I believe the answer is 87.5
Answer:
divide the top and bottom by the greatest number that will divide both numbers exactly (they must stay whole numbers).
Step-by-step explanation:
Answer:
2 1 3
Step-by-step explanation: