To find the surface area of the entire sculpture, you need to add up the surface area of each part of the sculpture. Overall, you see two triangles connected by two rectangles at the top, and the half of a cylinder at the bottom.
To find the area of one of the two triangles, you use the equation A = (1/2)bh, where b = the base of the triangle and h = the height. So, the area of one triangle is:
Answer:
She will need approximate
of plastic border
Step-by-step explanation:
we know that
The circumference of a circle is equal to

In this problem we have

substitute
----> exact value of the length of plastic border
assume

---> approximate value of the length of plastic border
Answer:
14652
Step-by-step explanation:
calculator
Answer:
9cm 5cm 12cm
Step-by-step explanation: