Answer:
-a^2 +2ab + b^2
Step-by-step explanation:
b (a+b) - a (a-b)
Distribute
ab +b^2 -a^2 +ab
Combine like terms
b^2 -a^2 +2ab
-a^2 +2ab + b^2
Answer:
pi
Step-by-step explanation:
To convert from degrees to radians, we multiply by pi/180
180 * pi/180 = pi
We know that
volume of a right circular cylinder=pi*r²*h
where
r ----> is the radius
h---> is the height
in this problem
r=6 cm
h=?
Volume=550 cm³
so
V=pi*r²*h------> h=V/[pi*r²]----> h=550/[3.14*6²]----> h=4.87 cm
<span>Round to the nearest tenth
</span>h=4.9 cm
the answer is
4.9 cm
Answer:
- Surface Area= (18.2+12.2h) square yards
- When h=4 yds, Surface Area=67 square yards
Step-by-step explanation:
Given the length(l), height(h) and width(w) of a rectangular prism.
Surface Area=2(lw+lh+wh)
For a rectangular prism with a height of h yards, a length of 2.6 yards, and a width of 3.5 yards.
Surface Area
Surface Area= (18.2+12.2h) square yards
<u>If the height, h=4 yards</u>
Then the surface area of the rectangular prism
=18.2+12.2h
=18.2+12.2(4)
=18.2+48.8
=67 square yards