Its 4 by the way cause it is
i think its -3
hope its right and helpful
if it is then mark brainlyist
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: 24x - 2
Step-by-step explanation: 7x -2 + 10x + x + 6x
24x -2
