A = hb/2
A = (15)(11) / 2
A = 165/2
A = 82.5 <===
D, because there are several students that are in your school. There would be many different answers.
Answer:
B
Step-by-step explanation:
The SA of a cone is A=pi*r^2+pi*r*s
So instead of pi*5^2, it should be pi*3*5 (5 is the length of the slant).
I believe that the answer is 1845
the surface area of the cube is 1350
the surface area of the pyramid is 495
the total surface area is :
good luck
Answer:
$120.50
Step-by-step explanation:
50 - 75 = -25
135.50 - 25 = 120.50