Answer:
Step-by-step explanation:
we know that
The perimeter of a square is equal to
where
a is the length side of the square
in this problem we have
convert to an improper fraction
Find the perimeter of the square
Remember to adds two extra inches for each corner
so
The wood needed is
convert to mixed number
Answer:
Step-by-step explanation:
The surface area of a rectangular prism has six sides so you must find the sum of the areas of all sides.
A=2xy+2xz+2yz
A=2(xy+xz+yz) you have x,y,z as 3,2,4 so
A=2(3(2)+3(4)+2(4))
A=2(6+12+8)
A=2(26)
A=52 cm^2
Hello,
The sum of the angles of a triangle is equal to 180°.
<u>So :</u>
x = 180 - 40 - 55 = 85°
Have a nice day :)
Make the length x+4 and the width x and then make a formula x(x+4)=21
then u ll get x^2+4x-21=0 and then solve for x ..... the width is 3
Answer:
3(x-10)=15
Step-by-step explanation:
assuming 152 is a typo