Answer:
-59
Step-by-step explanation:
-9(5)+(-5)
-45-5
-50
Step-by-step explanation:
find the coordinate of the foot of the perpendicular from(4,-2) to the line 2x-3y-4=0
We have:
4 triangles with the base b = 5ft and the height h = 6ft
4 rectangles with the lenght l = 5ft and the width w = 4ft
1 square with side a = 5ft.
The formula of an area of a riangle:

Substitute:

The formula of an area of a rectangle:

Substitute:

The formula of an area of a square:

Substitute:

The Surface Area of composite solid:

Substitute:

<h3>Answer: The Surface Area of the composite solid is 165 ft².</h3>
Answer:
169
Step-by-step explanation:
if S(n)=n^2
so,S(13)=13^2
n=13
n^2=13^2
=169